1331799680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1$

素因数の和:3602

約数の個数: 128

約数和(自身を含む): 3460492800

約数和(自身を除く): 2128693120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1520, 1984, 2356, 2432, 2480, 2945, 3040, 3533, 3968, 4712, 4960, 5890, 6080, 7066, 9424, 9920, 11780, 12160, 14132, 17665, 18848, 19840, 23560, 28264, 35330, 37696, 47120, 56528, 67127, 70660, 75392, 94240, 109523, 113056, 134254, 141320, 188480, 219046, 226112, 268508, 282640, 335635, 376960, 438092, 452224, 537016, 547615, 565280, 671270, 876184, 1074032, 1095230, 1130560, 1342540, 1752368, 2080937, 2148064, 2190460, 2261120, 2685080, 3504736, 4161874, 4296128, 4380920, 5370160, 7009472, 8323748, 8592256, 8761840, 10404685, 10740320, 14018944, 16647496, 17523680, 20809370, 21480640, 33294992, 35047360, 41618740, 42961280, 66589984, 70094720, 83237480, 133179968, 166474960, 266359936, 332949920, 665899840, 1331799680]

約数ペア:

[(1, 1331799680), (2, 665899840), (4, 332949920), (5, 266359936), (8, 166474960), (10, 133179968), (16, 83237480), (19, 70094720), (20, 66589984), (31, 42961280), (32, 41618740), (38, 35047360), (40, 33294992), (62, 21480640), (64, 20809370), (76, 17523680), (80, 16647496), (95, 14018944), (124, 10740320), (128, 10404685), (152, 8761840), (155, 8592256), (160, 8323748), (190, 7009472), (248, 5370160), (304, 4380920), (310, 4296128), (320, 4161874), (380, 3504736), (496, 2685080), (589, 2261120), (608, 2190460), (620, 2148064), (640, 2080937), (760, 1752368), (992, 1342540), (1178, 1130560), (1216, 1095230), (1240, 1074032), (1520, 876184), (1984, 671270), (2356, 565280), (2432, 547615), (2480, 537016), (2945, 452224), (3040, 438092), (3533, 376960), (3968, 335635), (4712, 282640), (4960, 268508), (5890, 226112), (6080, 219046), (7066, 188480), (9424, 141320), (9920, 134254), (11780, 113056), (12160, 109523), (14132, 94240), (17665, 75392), (18848, 70660), (19840, 67127), (23560, 56528), (28264, 47120), (35330, 37696)]