31588380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 240

約数和(自身を含む): 111234816

約数和(自身を除く): 79646436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 37, 45, 51, 54, 60, 62, 68, 74, 81, 85, 90, 93, 102, 108, 111, 124, 135, 148, 153, 155, 162, 170, 180, 185, 186, 204, 222, 255, 270, 279, 306, 310, 324, 333, 340, 370, 372, 405, 444, 459, 465, 510, 527, 540, 555, 558, 612, 620, 629, 666, 740, 765, 810, 837, 918, 930, 999, 1020, 1054, 1110, 1116, 1147, 1258, 1332, 1377, 1395, 1530, 1581, 1620, 1665, 1674, 1836, 1860, 1887, 1998, 2108, 2220, 2294, 2295, 2511, 2516, 2635, 2754, 2790, 2997, 3060, 3145, 3162, 3330, 3348, 3441, 3774, 3996, 4185, 4588, 4590, 4743, 4995, 5022, 5270, 5508, 5580, 5661, 5735, 5994, 6290, 6324, 6660, 6882, 6885, 7548, 7905, 8370, 9180, 9435, 9486, 9990, 10044, 10323, 10540, 11322, 11470, 11988, 12555, 12580, 13764, 13770, 14229, 14985, 15810, 16740, 16983, 17205, 18870, 18972, 19499, 19980, 20646, 22644, 22940, 23715, 25110, 27540, 28305, 28458, 29970, 30969, 31620, 33966, 34410, 37740, 38998, 41292, 42687, 47430, 50220, 50949, 51615, 56610, 56916, 58497, 59940, 61938, 67932, 68820, 71145, 77996, 84915, 85374, 92907, 94860, 97495, 101898, 103230, 113220, 116994, 123876, 142290, 154845, 169830, 170748, 175491, 185814, 194990, 203796, 206460, 213435, 233988, 254745, 284580, 292485, 309690, 339660, 350982, 371628, 389980, 426870, 464535, 509490, 526473, 584970, 619380, 701964, 853740, 877455, 929070, 1018980, 1052946, 1169940, 1579419, 1754910, 1858140, 2105892, 2632365, 3158838, 3509820, 5264730, 6317676, 7897095, 10529460, 15794190, 31588380]

約数ペア:

[(1, 31588380), (2, 15794190), (3, 10529460), (4, 7897095), (5, 6317676), (6, 5264730), (9, 3509820), (10, 3158838), (12, 2632365), (15, 2105892), (17, 1858140), (18, 1754910), (20, 1579419), (27, 1169940), (30, 1052946), (31, 1018980), (34, 929070), (36, 877455), (37, 853740), (45, 701964), (51, 619380), (54, 584970), (60, 526473), (62, 509490), (68, 464535), (74, 426870), (81, 389980), (85, 371628), (90, 350982), (93, 339660), (102, 309690), (108, 292485), (111, 284580), (124, 254745), (135, 233988), (148, 213435), (153, 206460), (155, 203796), (162, 194990), (170, 185814), (180, 175491), (185, 170748), (186, 169830), (204, 154845), (222, 142290), (255, 123876), (270, 116994), (279, 113220), (306, 103230), (310, 101898), (324, 97495), (333, 94860), (340, 92907), (370, 85374), (372, 84915), (405, 77996), (444, 71145), (459, 68820), (465, 67932), (510, 61938), (527, 59940), (540, 58497), (555, 56916), (558, 56610), (612, 51615), (620, 50949), (629, 50220), (666, 47430), (740, 42687), (765, 41292), (810, 38998), (837, 37740), (918, 34410), (930, 33966), (999, 31620), (1020, 30969), (1054, 29970), (1110, 28458), (1116, 28305), (1147, 27540), (1258, 25110), (1332, 23715), (1377, 22940), (1395, 22644), (1530, 20646), (1581, 19980), (1620, 19499), (1665, 18972), (1674, 18870), (1836, 17205), (1860, 16983), (1887, 16740), (1998, 15810), (2108, 14985), (2220, 14229), (2294, 13770), (2295, 13764), (2511, 12580), (2516, 12555), (2635, 11988), (2754, 11470), (2790, 11322), (2997, 10540), (3060, 10323), (3145, 10044), (3162, 9990), (3330, 9486), (3348, 9435), (3441, 9180), (3774, 8370), (3996, 7905), (4185, 7548), (4588, 6885), (4590, 6882), (4743, 6660), (4995, 6324), (5022, 6290), (5270, 5994), (5508, 5735), (5580, 5661)]