388596780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:557

約数の個数: 288

約数和(自身を含む): 1432424448

約数和(自身を除く): 1043827668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 31, 33, 36, 39, 44, 45, 52, 55, 60, 62, 65, 66, 78, 90, 93, 99, 110, 117, 124, 130, 132, 143, 155, 156, 165, 180, 186, 195, 198, 220, 234, 260, 279, 286, 310, 330, 341, 372, 390, 396, 403, 429, 465, 468, 487, 495, 558, 572, 585, 620, 660, 682, 715, 780, 806, 858, 930, 974, 990, 1023, 1116, 1170, 1209, 1287, 1364, 1395, 1430, 1461, 1612, 1705, 1716, 1860, 1948, 1980, 2015, 2046, 2145, 2340, 2418, 2435, 2574, 2790, 2860, 2922, 3069, 3410, 3627, 4030, 4092, 4290, 4383, 4433, 4836, 4870, 5115, 5148, 5357, 5580, 5844, 6045, 6138, 6331, 6435, 6820, 7254, 7305, 8060, 8580, 8766, 8866, 9740, 10230, 10714, 12090, 12276, 12662, 12870, 13299, 14508, 14610, 15097, 15345, 16071, 17532, 17732, 18135, 18993, 20460, 21428, 21915, 22165, 24180, 25324, 25740, 26598, 26785, 29220, 30194, 30690, 31655, 32142, 36270, 37986, 39897, 43830, 44330, 45291, 48213, 53196, 53570, 56979, 60388, 61380, 63310, 64284, 66495, 69641, 72540, 75485, 75972, 79794, 80355, 87660, 88660, 90582, 94965, 96426, 107140, 113958, 126620, 132990, 135873, 139282, 150970, 159588, 160710, 166067, 181164, 189930, 192852, 196261, 199485, 208923, 226455, 227916, 241065, 265980, 271746, 278564, 284895, 301940, 321420, 332134, 348205, 379860, 392522, 398970, 417846, 452910, 482130, 498201, 543492, 569790, 588783, 626769, 664268, 679365, 696410, 785044, 797940, 830335, 835692, 905820, 964260, 981305, 996402, 1044615, 1139580, 1177566, 1253538, 1358730, 1392820, 1494603, 1660670, 1766349, 1962610, 1992804, 2089230, 2158871, 2355132, 2491005, 2507076, 2717460, 2943915, 2989206, 3133845, 3321340, 3532698, 3925220, 4178460, 4317742, 4982010, 5887830, 5978412, 6267690, 6476613, 7065396, 7473015, 8635484, 8831745, 9964020, 10794355, 11775660, 12535380, 12953226, 14946030, 17663490, 19429839, 21588710, 25906452, 29892060, 32383065, 35326980, 38859678, 43177420, 64766130, 77719356, 97149195, 129532260, 194298390, 388596780]

約数ペア:

[(1, 388596780), (2, 194298390), (3, 129532260), (4, 97149195), (5, 77719356), (6, 64766130), (9, 43177420), (10, 38859678), (11, 35326980), (12, 32383065), (13, 29892060), (15, 25906452), (18, 21588710), (20, 19429839), (22, 17663490), (26, 14946030), (30, 12953226), (31, 12535380), (33, 11775660), (36, 10794355), (39, 9964020), (44, 8831745), (45, 8635484), (52, 7473015), (55, 7065396), (60, 6476613), (62, 6267690), (65, 5978412), (66, 5887830), (78, 4982010), (90, 4317742), (93, 4178460), (99, 3925220), (110, 3532698), (117, 3321340), (124, 3133845), (130, 2989206), (132, 2943915), (143, 2717460), (155, 2507076), (156, 2491005), (165, 2355132), (180, 2158871), (186, 2089230), (195, 1992804), (198, 1962610), (220, 1766349), (234, 1660670), (260, 1494603), (279, 1392820), (286, 1358730), (310, 1253538), (330, 1177566), (341, 1139580), (372, 1044615), (390, 996402), (396, 981305), (403, 964260), (429, 905820), (465, 835692), (468, 830335), (487, 797940), (495, 785044), (558, 696410), (572, 679365), (585, 664268), (620, 626769), (660, 588783), (682, 569790), (715, 543492), (780, 498201), (806, 482130), (858, 452910), (930, 417846), (974, 398970), (990, 392522), (1023, 379860), (1116, 348205), (1170, 332134), (1209, 321420), (1287, 301940), (1364, 284895), (1395, 278564), (1430, 271746), (1461, 265980), (1612, 241065), (1705, 227916), (1716, 226455), (1860, 208923), (1948, 199485), (1980, 196261), (2015, 192852), (2046, 189930), (2145, 181164), (2340, 166067), (2418, 160710), (2435, 159588), (2574, 150970), (2790, 139282), (2860, 135873), (2922, 132990), (3069, 126620), (3410, 113958), (3627, 107140), (4030, 96426), (4092, 94965), (4290, 90582), (4383, 88660), (4433, 87660), (4836, 80355), (4870, 79794), (5115, 75972), (5148, 75485), (5357, 72540), (5580, 69641), (5844, 66495), (6045, 64284), (6138, 63310), (6331, 61380), (6435, 60388), (6820, 56979), (7254, 53570), (7305, 53196), (8060, 48213), (8580, 45291), (8766, 44330), (8866, 43830), (9740, 39897), (10230, 37986), (10714, 36270), (12090, 32142), (12276, 31655), (12662, 30690), (12870, 30194), (13299, 29220), (14508, 26785), (14610, 26598), (15097, 25740), (15345, 25324), (16071, 24180), (17532, 22165), (17732, 21915), (18135, 21428), (18993, 20460)]