30811950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:283

約数の個数: 144

約数和(自身を含む): 93431520

約数和(自身を除く): 62619570

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 25, 26, 30, 39, 45, 46, 50, 65, 69, 75, 78, 90, 115, 117, 130, 138, 150, 195, 207, 225, 229, 230, 234, 299, 325, 345, 390, 414, 450, 458, 575, 585, 598, 650, 687, 690, 897, 975, 1035, 1145, 1150, 1170, 1374, 1495, 1725, 1794, 1950, 2061, 2070, 2290, 2691, 2925, 2977, 2990, 3435, 3450, 4122, 4485, 5175, 5267, 5382, 5725, 5850, 5954, 6870, 7475, 8931, 8970, 10305, 10350, 10534, 11450, 13455, 14885, 14950, 15801, 17175, 17862, 20610, 22425, 26335, 26793, 26910, 29770, 31602, 34350, 44655, 44850, 47403, 51525, 52670, 53586, 67275, 68471, 74425, 79005, 89310, 94806, 103050, 131675, 133965, 134550, 136942, 148850, 158010, 205413, 223275, 237015, 263350, 267930, 342355, 395025, 410826, 446550, 474030, 616239, 669825, 684710, 790050, 1027065, 1185075, 1232478, 1339650, 1711775, 2054130, 2370150, 3081195, 3423550, 5135325, 6162390, 10270650, 15405975, 30811950]

約数ペア:

[(1, 30811950), (2, 15405975), (3, 10270650), (5, 6162390), (6, 5135325), (9, 3423550), (10, 3081195), (13, 2370150), (15, 2054130), (18, 1711775), (23, 1339650), (25, 1232478), (26, 1185075), (30, 1027065), (39, 790050), (45, 684710), (46, 669825), (50, 616239), (65, 474030), (69, 446550), (75, 410826), (78, 395025), (90, 342355), (115, 267930), (117, 263350), (130, 237015), (138, 223275), (150, 205413), (195, 158010), (207, 148850), (225, 136942), (229, 134550), (230, 133965), (234, 131675), (299, 103050), (325, 94806), (345, 89310), (390, 79005), (414, 74425), (450, 68471), (458, 67275), (575, 53586), (585, 52670), (598, 51525), (650, 47403), (687, 44850), (690, 44655), (897, 34350), (975, 31602), (1035, 29770), (1145, 26910), (1150, 26793), (1170, 26335), (1374, 22425), (1495, 20610), (1725, 17862), (1794, 17175), (1950, 15801), (2061, 14950), (2070, 14885), (2290, 13455), (2691, 11450), (2925, 10534), (2977, 10350), (2990, 10305), (3435, 8970), (3450, 8931), (4122, 7475), (4485, 6870), (5175, 5954), (5267, 5850), (5382, 5725)]