1531780380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:441

約数の個数: 288

約数和(自身を含む): 5327562240

約数和(自身を除く): 3795781860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 131, 156, 171, 180, 190, 195, 228, 234, 247, 260, 262, 263, 285, 342, 380, 390, 393, 468, 494, 524, 526, 570, 585, 655, 684, 741, 780, 786, 789, 855, 988, 1052, 1140, 1170, 1179, 1235, 1310, 1315, 1482, 1572, 1578, 1703, 1710, 1965, 2223, 2340, 2358, 2367, 2470, 2489, 2620, 2630, 2964, 3156, 3406, 3419, 3420, 3705, 3930, 3945, 4446, 4716, 4734, 4940, 4978, 4997, 5109, 5260, 5895, 6812, 6838, 7410, 7467, 7860, 7890, 8515, 8892, 9468, 9956, 9994, 10218, 10257, 11115, 11790, 11835, 12445, 13676, 14820, 14934, 14991, 15327, 15780, 17030, 17095, 19988, 20436, 20514, 22230, 22401, 23580, 23670, 24890, 24985, 25545, 29868, 29982, 30654, 30771, 32357, 34060, 34190, 34453, 37335, 41028, 44460, 44802, 44973, 47340, 49780, 49970, 51090, 51285, 59964, 61308, 61542, 64714, 64961, 68380, 68906, 74670, 74955, 76635, 89604, 89946, 97071, 99940, 102180, 102570, 103359, 112005, 123084, 129428, 129922, 137812, 149340, 149910, 153270, 153855, 161785, 172265, 179892, 194142, 194883, 205140, 206718, 224010, 224865, 259844, 291213, 299820, 306540, 307710, 310077, 323570, 324805, 344530, 388284, 389766, 413436, 447889, 448020, 449730, 485355, 516795, 582426, 584649, 615420, 620154, 647140, 649610, 654607, 689060, 779532, 895778, 899460, 970710, 974415, 1033590, 1164852, 1169298, 1240308, 1299220, 1309214, 1343667, 1456065, 1550385, 1791556, 1941420, 1948830, 1963821, 2067180, 2239445, 2338596, 2618428, 2687334, 2912130, 2923245, 3100770, 3273035, 3897660, 3927642, 4031001, 4478890, 5374668, 5824260, 5846490, 5891463, 6201540, 6546070, 6718335, 7855284, 8062002, 8509891, 8957780, 9819105, 11692980, 11782926, 13092140, 13436670, 16124004, 17019782, 19638210, 20155005, 23565852, 25529673, 26873340, 29457315, 34039564, 39276420, 40310010, 42549455, 51059346, 58914630, 76589019, 80620020, 85098910, 102118692, 117829260, 127648365, 153178038, 170197820, 255296730, 306356076, 382945095, 510593460, 765890190, 1531780380]

約数ペア:

[(1, 1531780380), (2, 765890190), (3, 510593460), (4, 382945095), (5, 306356076), (6, 255296730), (9, 170197820), (10, 153178038), (12, 127648365), (13, 117829260), (15, 102118692), (18, 85098910), (19, 80620020), (20, 76589019), (26, 58914630), (30, 51059346), (36, 42549455), (38, 40310010), (39, 39276420), (45, 34039564), (52, 29457315), (57, 26873340), (60, 25529673), (65, 23565852), (76, 20155005), (78, 19638210), (90, 17019782), (95, 16124004), (114, 13436670), (117, 13092140), (130, 11782926), (131, 11692980), (156, 9819105), (171, 8957780), (180, 8509891), (190, 8062002), (195, 7855284), (228, 6718335), (234, 6546070), (247, 6201540), (260, 5891463), (262, 5846490), (263, 5824260), (285, 5374668), (342, 4478890), (380, 4031001), (390, 3927642), (393, 3897660), (468, 3273035), (494, 3100770), (524, 2923245), (526, 2912130), (570, 2687334), (585, 2618428), (655, 2338596), (684, 2239445), (741, 2067180), (780, 1963821), (786, 1948830), (789, 1941420), (855, 1791556), (988, 1550385), (1052, 1456065), (1140, 1343667), (1170, 1309214), (1179, 1299220), (1235, 1240308), (1310, 1169298), (1315, 1164852), (1482, 1033590), (1572, 974415), (1578, 970710), (1703, 899460), (1710, 895778), (1965, 779532), (2223, 689060), (2340, 654607), (2358, 649610), (2367, 647140), (2470, 620154), (2489, 615420), (2620, 584649), (2630, 582426), (2964, 516795), (3156, 485355), (3406, 449730), (3419, 448020), (3420, 447889), (3705, 413436), (3930, 389766), (3945, 388284), (4446, 344530), (4716, 324805), (4734, 323570), (4940, 310077), (4978, 307710), (4997, 306540), (5109, 299820), (5260, 291213), (5895, 259844), (6812, 224865), (6838, 224010), (7410, 206718), (7467, 205140), (7860, 194883), (7890, 194142), (8515, 179892), (8892, 172265), (9468, 161785), (9956, 153855), (9994, 153270), (10218, 149910), (10257, 149340), (11115, 137812), (11790, 129922), (11835, 129428), (12445, 123084), (13676, 112005), (14820, 103359), (14934, 102570), (14991, 102180), (15327, 99940), (15780, 97071), (17030, 89946), (17095, 89604), (19988, 76635), (20436, 74955), (20514, 74670), (22230, 68906), (22401, 68380), (23580, 64961), (23670, 64714), (24890, 61542), (24985, 61308), (25545, 59964), (29868, 51285), (29982, 51090), (30654, 49970), (30771, 49780), (32357, 47340), (34060, 44973), (34190, 44802), (34453, 44460), (37335, 41028)]