721176210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:750

約数の個数: 160

約数和(自身を含む): 2081261952

約数和(自身を除く): 1360085742

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 83, 85, 90, 102, 135, 153, 162, 166, 170, 249, 255, 270, 306, 405, 415, 459, 498, 510, 631, 747, 765, 810, 830, 918, 1245, 1262, 1377, 1411, 1494, 1530, 1893, 2241, 2295, 2490, 2754, 2822, 3155, 3735, 3786, 4233, 4482, 4590, 5679, 6310, 6723, 6885, 7055, 7470, 8466, 9465, 10727, 11205, 11358, 12699, 13446, 13770, 14110, 17037, 18930, 21165, 21454, 22410, 25398, 28395, 32181, 33615, 34074, 38097, 42330, 51111, 52373, 53635, 56790, 63495, 64362, 67230, 76194, 85185, 96543, 102222, 104746, 107270, 114291, 126990, 157119, 160905, 170370, 190485, 193086, 228582, 255555, 261865, 289629, 314238, 321810, 380970, 471357, 482715, 511110, 523730, 571455, 579258, 785595, 868887, 890341, 942714, 965430, 1142910, 1414071, 1448145, 1571190, 1737774, 1780682, 2356785, 2671023, 2828142, 2896290, 4242213, 4344435, 4451705, 4713570, 5342046, 7070355, 8013069, 8484426, 8688870, 8903410, 13355115, 14140710, 16026138, 21211065, 24039207, 26710230, 40065345, 42422130, 48078414, 72117621, 80130690, 120196035, 144235242, 240392070, 360588105, 721176210]

約数ペア:

[(1, 721176210), (2, 360588105), (3, 240392070), (5, 144235242), (6, 120196035), (9, 80130690), (10, 72117621), (15, 48078414), (17, 42422130), (18, 40065345), (27, 26710230), (30, 24039207), (34, 21211065), (45, 16026138), (51, 14140710), (54, 13355115), (81, 8903410), (83, 8688870), (85, 8484426), (90, 8013069), (102, 7070355), (135, 5342046), (153, 4713570), (162, 4451705), (166, 4344435), (170, 4242213), (249, 2896290), (255, 2828142), (270, 2671023), (306, 2356785), (405, 1780682), (415, 1737774), (459, 1571190), (498, 1448145), (510, 1414071), (631, 1142910), (747, 965430), (765, 942714), (810, 890341), (830, 868887), (918, 785595), (1245, 579258), (1262, 571455), (1377, 523730), (1411, 511110), (1494, 482715), (1530, 471357), (1893, 380970), (2241, 321810), (2295, 314238), (2490, 289629), (2754, 261865), (2822, 255555), (3155, 228582), (3735, 193086), (3786, 190485), (4233, 170370), (4482, 160905), (4590, 157119), (5679, 126990), (6310, 114291), (6723, 107270), (6885, 104746), (7055, 102222), (7470, 96543), (8466, 85185), (9465, 76194), (10727, 67230), (11205, 64362), (11358, 63495), (12699, 56790), (13446, 53635), (13770, 52373), (14110, 51111), (17037, 42330), (18930, 38097), (21165, 34074), (21454, 33615), (22410, 32181), (25398, 28395)]