1247851980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:682

約数の個数: 240

約数和(自身を含む): 4185941760

約数和(自身を除く): 2938089780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 71, 76, 81, 90, 95, 108, 114, 135, 142, 162, 171, 180, 190, 213, 228, 270, 284, 285, 324, 342, 355, 380, 405, 426, 513, 540, 570, 571, 639, 684, 710, 810, 852, 855, 1026, 1065, 1140, 1142, 1278, 1349, 1420, 1539, 1620, 1710, 1713, 1917, 2052, 2130, 2284, 2556, 2565, 2698, 2855, 3078, 3195, 3420, 3426, 3834, 4047, 4260, 5130, 5139, 5396, 5710, 5751, 6156, 6390, 6745, 6852, 7668, 7695, 8094, 8565, 9585, 10260, 10278, 10849, 11420, 11502, 12141, 12780, 13490, 15390, 15417, 16188, 17130, 19170, 20235, 20556, 21698, 23004, 24282, 25695, 26980, 28755, 30780, 30834, 32547, 34260, 36423, 38340, 40470, 40541, 43396, 46251, 48564, 51390, 54245, 57510, 60705, 61668, 65094, 72846, 77085, 80940, 81082, 92502, 97641, 102780, 108490, 109269, 115020, 121410, 121623, 130188, 145692, 154170, 162164, 162735, 182115, 185004, 195282, 202705, 216980, 218538, 231255, 242820, 243246, 292923, 308340, 325470, 364230, 364869, 390564, 405410, 437076, 462510, 486492, 488205, 546345, 585846, 608115, 650940, 728460, 729738, 770279, 810820, 878769, 925020, 976410, 1092690, 1094607, 1171692, 1216230, 1459476, 1464615, 1540558, 1757538, 1824345, 1952820, 2185380, 2189214, 2310837, 2432460, 2929230, 3081116, 3283821, 3515076, 3648690, 3851395, 4378428, 4393845, 4621674, 5473035, 5858460, 6567642, 6932511, 7297380, 7702790, 8787690, 9243348, 10946070, 11554185, 13135284, 13865022, 15405580, 16419105, 17575380, 20797533, 21892140, 23108370, 27730044, 32838210, 34662555, 41595066, 46216740, 62392599, 65676420, 69325110, 83190132, 103987665, 124785198, 138650220, 207975330, 249570396, 311962995, 415950660, 623925990, 1247851980]

約数ペア:

[(1, 1247851980), (2, 623925990), (3, 415950660), (4, 311962995), (5, 249570396), (6, 207975330), (9, 138650220), (10, 124785198), (12, 103987665), (15, 83190132), (18, 69325110), (19, 65676420), (20, 62392599), (27, 46216740), (30, 41595066), (36, 34662555), (38, 32838210), (45, 27730044), (54, 23108370), (57, 21892140), (60, 20797533), (71, 17575380), (76, 16419105), (81, 15405580), (90, 13865022), (95, 13135284), (108, 11554185), (114, 10946070), (135, 9243348), (142, 8787690), (162, 7702790), (171, 7297380), (180, 6932511), (190, 6567642), (213, 5858460), (228, 5473035), (270, 4621674), (284, 4393845), (285, 4378428), (324, 3851395), (342, 3648690), (355, 3515076), (380, 3283821), (405, 3081116), (426, 2929230), (513, 2432460), (540, 2310837), (570, 2189214), (571, 2185380), (639, 1952820), (684, 1824345), (710, 1757538), (810, 1540558), (852, 1464615), (855, 1459476), (1026, 1216230), (1065, 1171692), (1140, 1094607), (1142, 1092690), (1278, 976410), (1349, 925020), (1420, 878769), (1539, 810820), (1620, 770279), (1710, 729738), (1713, 728460), (1917, 650940), (2052, 608115), (2130, 585846), (2284, 546345), (2556, 488205), (2565, 486492), (2698, 462510), (2855, 437076), (3078, 405410), (3195, 390564), (3420, 364869), (3426, 364230), (3834, 325470), (4047, 308340), (4260, 292923), (5130, 243246), (5139, 242820), (5396, 231255), (5710, 218538), (5751, 216980), (6156, 202705), (6390, 195282), (6745, 185004), (6852, 182115), (7668, 162735), (7695, 162164), (8094, 154170), (8565, 145692), (9585, 130188), (10260, 121623), (10278, 121410), (10849, 115020), (11420, 109269), (11502, 108490), (12141, 102780), (12780, 97641), (13490, 92502), (15390, 81082), (15417, 80940), (16188, 77085), (17130, 72846), (19170, 65094), (20235, 61668), (20556, 60705), (21698, 57510), (23004, 54245), (24282, 51390), (25695, 48564), (26980, 46251), (28755, 43396), (30780, 40541), (30834, 40470), (32547, 38340), (34260, 36423)]