71303440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 195924960

約数和(自身を除く): 124621520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 37, 40, 52, 65, 68, 74, 80, 85, 104, 109, 130, 136, 148, 170, 185, 208, 218, 221, 260, 272, 296, 340, 370, 436, 442, 481, 520, 545, 592, 629, 680, 740, 872, 884, 962, 1040, 1090, 1105, 1258, 1360, 1417, 1480, 1744, 1768, 1853, 1924, 2180, 2210, 2405, 2516, 2834, 2960, 3145, 3536, 3706, 3848, 4033, 4360, 4420, 4810, 5032, 5668, 6290, 7085, 7412, 7696, 8066, 8177, 8720, 8840, 9265, 9620, 10064, 11336, 12580, 14170, 14824, 16132, 16354, 17680, 18530, 19240, 20165, 22672, 24089, 25160, 28340, 29648, 32264, 32708, 37060, 38480, 40330, 40885, 48178, 50320, 52429, 56680, 64528, 65416, 68561, 74120, 80660, 81770, 96356, 104858, 113360, 120445, 130832, 137122, 148240, 161320, 163540, 192712, 209716, 240890, 262145, 274244, 322640, 327080, 342805, 385424, 419432, 481780, 524290, 548488, 654160, 685610, 838864, 891293, 963560, 1048580, 1096976, 1371220, 1782586, 1927120, 2097160, 2742440, 3565172, 4194320, 4456465, 5484880, 7130344, 8912930, 14260688, 17825860, 35651720, 71303440]

約数ペア:

[(1, 71303440), (2, 35651720), (4, 17825860), (5, 14260688), (8, 8912930), (10, 7130344), (13, 5484880), (16, 4456465), (17, 4194320), (20, 3565172), (26, 2742440), (34, 2097160), (37, 1927120), (40, 1782586), (52, 1371220), (65, 1096976), (68, 1048580), (74, 963560), (80, 891293), (85, 838864), (104, 685610), (109, 654160), (130, 548488), (136, 524290), (148, 481780), (170, 419432), (185, 385424), (208, 342805), (218, 327080), (221, 322640), (260, 274244), (272, 262145), (296, 240890), (340, 209716), (370, 192712), (436, 163540), (442, 161320), (481, 148240), (520, 137122), (545, 130832), (592, 120445), (629, 113360), (680, 104858), (740, 96356), (872, 81770), (884, 80660), (962, 74120), (1040, 68561), (1090, 65416), (1105, 64528), (1258, 56680), (1360, 52429), (1417, 50320), (1480, 48178), (1744, 40885), (1768, 40330), (1853, 38480), (1924, 37060), (2180, 32708), (2210, 32264), (2405, 29648), (2516, 28340), (2834, 25160), (2960, 24089), (3145, 22672), (3536, 20165), (3706, 19240), (3848, 18530), (4033, 17680), (4360, 16354), (4420, 16132), (4810, 14824), (5032, 14170), (5668, 12580), (6290, 11336), (7085, 10064), (7412, 9620), (7696, 9265), (8066, 8840), (8177, 8720)]