1881930640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:401

約数の個数: 160

約数和(自身を含む): 4731125760

約数和(自身を除く): 2849195120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 137, 145, 155, 191, 232, 248, 274, 290, 310, 382, 464, 496, 548, 580, 620, 685, 764, 899, 955, 1096, 1160, 1240, 1370, 1528, 1798, 1910, 2192, 2320, 2480, 2740, 3056, 3596, 3820, 3973, 4247, 4495, 5480, 5539, 5921, 7192, 7640, 7946, 8494, 8990, 10960, 11078, 11842, 14384, 15280, 15892, 16988, 17980, 19865, 21235, 22156, 23684, 26167, 27695, 29605, 31784, 33976, 35960, 39730, 42470, 44312, 47368, 52334, 55390, 59210, 63568, 67952, 71920, 79460, 84940, 88624, 94736, 104668, 110780, 118420, 123163, 130835, 158920, 169880, 171709, 209336, 221560, 236840, 246326, 261670, 317840, 339760, 343418, 418672, 443120, 473680, 492652, 523340, 615815, 686836, 758843, 811177, 858545, 985304, 1046680, 1231630, 1373672, 1517686, 1622354, 1717090, 1970608, 2093360, 2463260, 2747344, 3035372, 3244708, 3434180, 3794215, 4055885, 4926520, 6070744, 6489416, 6868360, 7588430, 8111770, 9853040, 12141488, 12978832, 13736720, 15176860, 16223540, 23524133, 30353720, 32447080, 47048266, 60707440, 64894160, 94096532, 117620665, 188193064, 235241330, 376386128, 470482660, 940965320, 1881930640]

約数ペア:

[(1, 1881930640), (2, 940965320), (4, 470482660), (5, 376386128), (8, 235241330), (10, 188193064), (16, 117620665), (20, 94096532), (29, 64894160), (31, 60707440), (40, 47048266), (58, 32447080), (62, 30353720), (80, 23524133), (116, 16223540), (124, 15176860), (137, 13736720), (145, 12978832), (155, 12141488), (191, 9853040), (232, 8111770), (248, 7588430), (274, 6868360), (290, 6489416), (310, 6070744), (382, 4926520), (464, 4055885), (496, 3794215), (548, 3434180), (580, 3244708), (620, 3035372), (685, 2747344), (764, 2463260), (899, 2093360), (955, 1970608), (1096, 1717090), (1160, 1622354), (1240, 1517686), (1370, 1373672), (1528, 1231630), (1798, 1046680), (1910, 985304), (2192, 858545), (2320, 811177), (2480, 758843), (2740, 686836), (3056, 615815), (3596, 523340), (3820, 492652), (3973, 473680), (4247, 443120), (4495, 418672), (5480, 343418), (5539, 339760), (5921, 317840), (7192, 261670), (7640, 246326), (7946, 236840), (8494, 221560), (8990, 209336), (10960, 171709), (11078, 169880), (11842, 158920), (14384, 130835), (15280, 123163), (15892, 118420), (16988, 110780), (17980, 104668), (19865, 94736), (21235, 88624), (22156, 84940), (23684, 79460), (26167, 71920), (27695, 67952), (29605, 63568), (31784, 59210), (33976, 55390), (35960, 52334), (39730, 47368), (42470, 44312)]