31948020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 113552208

約数和(自身を除く): 81604188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 37, 39, 41, 45, 52, 54, 60, 65, 74, 78, 81, 82, 90, 108, 111, 117, 123, 130, 135, 148, 156, 162, 164, 180, 185, 195, 205, 222, 234, 246, 260, 270, 324, 333, 351, 369, 370, 390, 405, 410, 444, 468, 481, 492, 533, 540, 555, 585, 615, 666, 702, 738, 740, 780, 810, 820, 962, 999, 1053, 1066, 1107, 1110, 1170, 1230, 1332, 1404, 1443, 1476, 1517, 1599, 1620, 1665, 1755, 1845, 1924, 1998, 2106, 2132, 2214, 2220, 2340, 2405, 2460, 2665, 2886, 2997, 3034, 3198, 3321, 3330, 3510, 3690, 3996, 4212, 4329, 4428, 4551, 4797, 4810, 4995, 5265, 5330, 5535, 5772, 5994, 6068, 6396, 6642, 6660, 7020, 7215, 7380, 7585, 7995, 8658, 9102, 9594, 9620, 9990, 10530, 10660, 11070, 11988, 12987, 13284, 13653, 14391, 14430, 14985, 15170, 15990, 16605, 17316, 18204, 19188, 19721, 19980, 21060, 21645, 22140, 22755, 23985, 25974, 27306, 28782, 28860, 29970, 30340, 31980, 33210, 38961, 39442, 40959, 43173, 43290, 45510, 47970, 51948, 54612, 57564, 59163, 59940, 64935, 66420, 68265, 71955, 77922, 78884, 81918, 86346, 86580, 91020, 95940, 98605, 118326, 122877, 129870, 136530, 143910, 155844, 163836, 172692, 177489, 194805, 197210, 204795, 215865, 236652, 245754, 259740, 273060, 287820, 295815, 354978, 389610, 394420, 409590, 431730, 491508, 532467, 591630, 614385, 709956, 779220, 819180, 863460, 887445, 1064934, 1183260, 1228770, 1597401, 1774890, 2129868, 2457540, 2662335, 3194802, 3549780, 5324670, 6389604, 7987005, 10649340, 15974010, 31948020]

約数ペア:

[(1, 31948020), (2, 15974010), (3, 10649340), (4, 7987005), (5, 6389604), (6, 5324670), (9, 3549780), (10, 3194802), (12, 2662335), (13, 2457540), (15, 2129868), (18, 1774890), (20, 1597401), (26, 1228770), (27, 1183260), (30, 1064934), (36, 887445), (37, 863460), (39, 819180), (41, 779220), (45, 709956), (52, 614385), (54, 591630), (60, 532467), (65, 491508), (74, 431730), (78, 409590), (81, 394420), (82, 389610), (90, 354978), (108, 295815), (111, 287820), (117, 273060), (123, 259740), (130, 245754), (135, 236652), (148, 215865), (156, 204795), (162, 197210), (164, 194805), (180, 177489), (185, 172692), (195, 163836), (205, 155844), (222, 143910), (234, 136530), (246, 129870), (260, 122877), (270, 118326), (324, 98605), (333, 95940), (351, 91020), (369, 86580), (370, 86346), (390, 81918), (405, 78884), (410, 77922), (444, 71955), (468, 68265), (481, 66420), (492, 64935), (533, 59940), (540, 59163), (555, 57564), (585, 54612), (615, 51948), (666, 47970), (702, 45510), (738, 43290), (740, 43173), (780, 40959), (810, 39442), (820, 38961), (962, 33210), (999, 31980), (1053, 30340), (1066, 29970), (1107, 28860), (1110, 28782), (1170, 27306), (1230, 25974), (1332, 23985), (1404, 22755), (1443, 22140), (1476, 21645), (1517, 21060), (1599, 19980), (1620, 19721), (1665, 19188), (1755, 18204), (1845, 17316), (1924, 16605), (1998, 15990), (2106, 15170), (2132, 14985), (2214, 14430), (2220, 14391), (2340, 13653), (2405, 13284), (2460, 12987), (2665, 11988), (2886, 11070), (2997, 10660), (3034, 10530), (3198, 9990), (3321, 9620), (3330, 9594), (3510, 9102), (3690, 8658), (3996, 7995), (4212, 7585), (4329, 7380), (4428, 7215), (4551, 7020), (4797, 6660), (4810, 6642), (4995, 6396), (5265, 6068), (5330, 5994), (5535, 5772)]