820864980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:583

約数の個数: 288

約数和(自身を含む): 2904720000

約数和(自身を除く): 2083855020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 37, 38, 39, 45, 52, 57, 60, 65, 74, 76, 78, 90, 95, 111, 114, 117, 130, 148, 156, 171, 180, 185, 190, 195, 222, 228, 234, 247, 260, 285, 333, 342, 370, 380, 390, 444, 468, 481, 494, 499, 555, 570, 585, 666, 684, 703, 740, 741, 780, 855, 962, 988, 998, 1110, 1140, 1170, 1235, 1332, 1406, 1443, 1482, 1497, 1665, 1710, 1924, 1996, 2109, 2220, 2223, 2340, 2405, 2470, 2495, 2812, 2886, 2964, 2994, 3330, 3420, 3515, 3705, 4218, 4329, 4446, 4491, 4810, 4940, 4990, 5772, 5988, 6327, 6487, 6660, 7030, 7215, 7410, 7485, 8436, 8658, 8892, 8982, 9139, 9481, 9620, 9980, 10545, 11115, 12654, 12974, 14060, 14430, 14820, 14970, 17316, 17964, 18278, 18463, 18962, 19461, 21090, 21645, 22230, 22455, 25308, 25948, 27417, 28443, 28860, 29940, 31635, 32435, 36556, 36926, 37924, 38922, 42180, 43290, 44460, 44910, 45695, 47405, 54834, 55389, 56886, 58383, 63270, 64870, 73852, 77844, 82251, 85329, 86580, 89820, 91390, 92315, 94810, 97305, 109668, 110778, 113772, 116766, 123253, 126540, 129740, 137085, 142215, 164502, 166167, 170658, 182780, 184630, 189620, 194610, 221556, 233532, 240019, 246506, 274170, 276945, 284430, 291915, 329004, 332334, 341316, 350797, 369260, 369759, 389220, 411255, 426645, 480038, 493012, 548340, 553890, 568860, 583830, 616265, 664668, 701594, 720057, 739518, 822510, 830835, 853290, 960076, 1052391, 1107780, 1109277, 1167660, 1200095, 1232530, 1403188, 1440114, 1479036, 1645020, 1661670, 1706580, 1753985, 1848795, 2104782, 2160171, 2218554, 2400190, 2465060, 2880228, 3157173, 3323340, 3507970, 3600285, 3697590, 4209564, 4320342, 4437108, 4560361, 4800380, 5261955, 5546385, 6314346, 7015940, 7200570, 7395180, 8640684, 9120722, 10523910, 10800855, 11092770, 12628692, 13681083, 14401140, 15785865, 18241444, 21047820, 21601710, 22185540, 22801805, 27362166, 31571730, 41043249, 43203420, 45603610, 54724332, 63143460, 68405415, 82086498, 91207220, 136810830, 164172996, 205216245, 273621660, 410432490, 820864980]

約数ペア:

[(1, 820864980), (2, 410432490), (3, 273621660), (4, 205216245), (5, 164172996), (6, 136810830), (9, 91207220), (10, 82086498), (12, 68405415), (13, 63143460), (15, 54724332), (18, 45603610), (19, 43203420), (20, 41043249), (26, 31571730), (30, 27362166), (36, 22801805), (37, 22185540), (38, 21601710), (39, 21047820), (45, 18241444), (52, 15785865), (57, 14401140), (60, 13681083), (65, 12628692), (74, 11092770), (76, 10800855), (78, 10523910), (90, 9120722), (95, 8640684), (111, 7395180), (114, 7200570), (117, 7015940), (130, 6314346), (148, 5546385), (156, 5261955), (171, 4800380), (180, 4560361), (185, 4437108), (190, 4320342), (195, 4209564), (222, 3697590), (228, 3600285), (234, 3507970), (247, 3323340), (260, 3157173), (285, 2880228), (333, 2465060), (342, 2400190), (370, 2218554), (380, 2160171), (390, 2104782), (444, 1848795), (468, 1753985), (481, 1706580), (494, 1661670), (499, 1645020), (555, 1479036), (570, 1440114), (585, 1403188), (666, 1232530), (684, 1200095), (703, 1167660), (740, 1109277), (741, 1107780), (780, 1052391), (855, 960076), (962, 853290), (988, 830835), (998, 822510), (1110, 739518), (1140, 720057), (1170, 701594), (1235, 664668), (1332, 616265), (1406, 583830), (1443, 568860), (1482, 553890), (1497, 548340), (1665, 493012), (1710, 480038), (1924, 426645), (1996, 411255), (2109, 389220), (2220, 369759), (2223, 369260), (2340, 350797), (2405, 341316), (2470, 332334), (2495, 329004), (2812, 291915), (2886, 284430), (2964, 276945), (2994, 274170), (3330, 246506), (3420, 240019), (3515, 233532), (3705, 221556), (4218, 194610), (4329, 189620), (4446, 184630), (4491, 182780), (4810, 170658), (4940, 166167), (4990, 164502), (5772, 142215), (5988, 137085), (6327, 129740), (6487, 126540), (6660, 123253), (7030, 116766), (7215, 113772), (7410, 110778), (7485, 109668), (8436, 97305), (8658, 94810), (8892, 92315), (8982, 91390), (9139, 89820), (9481, 86580), (9620, 85329), (9980, 82251), (10545, 77844), (11115, 73852), (12654, 64870), (12974, 63270), (14060, 58383), (14430, 56886), (14820, 55389), (14970, 54834), (17316, 47405), (17964, 45695), (18278, 44910), (18463, 44460), (18962, 43290), (19461, 42180), (21090, 38922), (21645, 37924), (22230, 36926), (22455, 36556), (25308, 32435), (25948, 31635), (27417, 29940), (28443, 28860)]