2018757780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{911}}^1\times {\mathrm{947}}^1$

素因数の和:1886

約数の個数: 144

約数和(自身を含む): 6608818944

約数和(自身を除く): 4590061164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 911, 947, 1170, 1822, 1894, 2340, 2733, 2841, 3644, 3788, 4555, 4735, 5466, 5682, 8199, 8523, 9110, 9470, 10932, 11364, 11843, 12311, 13665, 14205, 16398, 17046, 18220, 18940, 23686, 24622, 27330, 28410, 32796, 34092, 35529, 36933, 40995, 42615, 47372, 49244, 54660, 56820, 59215, 61555, 71058, 73866, 81990, 85230, 106587, 110799, 118430, 123110, 142116, 147732, 163980, 170460, 177645, 184665, 213174, 221598, 236860, 246220, 355290, 369330, 426348, 443196, 532935, 553995, 710580, 738660, 862717, 1065870, 1107990, 1725434, 2131740, 2215980, 2588151, 3450868, 4313585, 5176302, 7764453, 8627170, 10352604, 11215321, 12940755, 15528906, 17254340, 22430642, 25881510, 31057812, 33645963, 38822265, 44861284, 51763020, 56076605, 67291926, 77644530, 100937889, 112153210, 134583852, 155289060, 168229815, 201875778, 224306420, 336459630, 403751556, 504689445, 672919260, 1009378890, 2018757780]

約数ペア:

[(1, 2018757780), (2, 1009378890), (3, 672919260), (4, 504689445), (5, 403751556), (6, 336459630), (9, 224306420), (10, 201875778), (12, 168229815), (13, 155289060), (15, 134583852), (18, 112153210), (20, 100937889), (26, 77644530), (30, 67291926), (36, 56076605), (39, 51763020), (45, 44861284), (52, 38822265), (60, 33645963), (65, 31057812), (78, 25881510), (90, 22430642), (117, 17254340), (130, 15528906), (156, 12940755), (180, 11215321), (195, 10352604), (234, 8627170), (260, 7764453), (390, 5176302), (468, 4313585), (585, 3450868), (780, 2588151), (911, 2215980), (947, 2131740), (1170, 1725434), (1822, 1107990), (1894, 1065870), (2340, 862717), (2733, 738660), (2841, 710580), (3644, 553995), (3788, 532935), (4555, 443196), (4735, 426348), (5466, 369330), (5682, 355290), (8199, 246220), (8523, 236860), (9110, 221598), (9470, 213174), (10932, 184665), (11364, 177645), (11843, 170460), (12311, 163980), (13665, 147732), (14205, 142116), (16398, 123110), (17046, 118430), (18220, 110799), (18940, 106587), (23686, 85230), (24622, 81990), (27330, 73866), (28410, 71058), (32796, 61555), (34092, 59215), (35529, 56820), (36933, 54660), (40995, 49244), (42615, 47372)]