31295160

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:779

約数の個数: 160

約数和(自身を含む): 113430240

約数和(自身を除く): 82135080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 743, 780, 810, 936, 1053, 1080, 1170, 1404, 1486, 1560, 1620, 1755, 2106, 2229, 2340, 2808, 2972, 3240, 3510, 3715, 4212, 4458, 4680, 5265, 5944, 6687, 7020, 7430, 8424, 8916, 9659, 10530, 11145, 13374, 14040, 14860, 17832, 19318, 20061, 21060, 22290, 26748, 28977, 29720, 33435, 38636, 40122, 42120, 44580, 48295, 53496, 57954, 60183, 66870, 77272, 80244, 86931, 89160, 96590, 100305, 115908, 120366, 133740, 144885, 160488, 173862, 193180, 200610, 231816, 240732, 260793, 267480, 289770, 300915, 347724, 386360, 401220, 434655, 481464, 521586, 579540, 601830, 695448, 782379, 802440, 869310, 1043172, 1159080, 1203660, 1303965, 1564758, 1738620, 2086344, 2407320, 2607930, 3129516, 3477240, 3911895, 5215860, 6259032, 7823790, 10431720, 15647580, 31295160]

約数ペア:

[(1, 31295160), (2, 15647580), (3, 10431720), (4, 7823790), (5, 6259032), (6, 5215860), (8, 3911895), (9, 3477240), (10, 3129516), (12, 2607930), (13, 2407320), (15, 2086344), (18, 1738620), (20, 1564758), (24, 1303965), (26, 1203660), (27, 1159080), (30, 1043172), (36, 869310), (39, 802440), (40, 782379), (45, 695448), (52, 601830), (54, 579540), (60, 521586), (65, 481464), (72, 434655), (78, 401220), (81, 386360), (90, 347724), (104, 300915), (108, 289770), (117, 267480), (120, 260793), (130, 240732), (135, 231816), (156, 200610), (162, 193180), (180, 173862), (195, 160488), (216, 144885), (234, 133740), (260, 120366), (270, 115908), (312, 100305), (324, 96590), (351, 89160), (360, 86931), (390, 80244), (405, 77272), (468, 66870), (520, 60183), (540, 57954), (585, 53496), (648, 48295), (702, 44580), (743, 42120), (780, 40122), (810, 38636), (936, 33435), (1053, 29720), (1080, 28977), (1170, 26748), (1404, 22290), (1486, 21060), (1560, 20061), (1620, 19318), (1755, 17832), (2106, 14860), (2229, 14040), (2340, 13374), (2808, 11145), (2972, 10530), (3240, 9659), (3510, 8916), (3715, 8424), (4212, 7430), (4458, 7020), (4680, 6687), (5265, 5944)]