87783990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 259200000

約数和(自身を除く): 171416010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 98, 105, 114, 133, 147, 190, 210, 245, 266, 285, 294, 343, 399, 449, 490, 570, 665, 686, 735, 798, 898, 931, 1029, 1330, 1347, 1470, 1715, 1862, 1995, 2058, 2245, 2694, 2793, 3143, 3430, 3990, 4490, 4655, 5145, 5586, 6286, 6517, 6735, 8531, 9310, 9429, 10290, 13034, 13470, 13965, 15715, 17062, 18858, 19551, 22001, 25593, 27930, 31430, 32585, 39102, 42655, 44002, 47145, 51186, 59717, 65170, 66003, 85310, 94290, 97755, 110005, 119434, 127965, 132006, 154007, 179151, 195510, 220010, 255930, 298585, 308014, 330015, 358302, 418019, 462021, 597170, 660030, 770035, 836038, 895755, 924042, 1254057, 1540070, 1791510, 2090095, 2310105, 2508114, 2926133, 4180190, 4620210, 5852266, 6270285, 8778399, 12540570, 14630665, 17556798, 29261330, 43891995, 87783990]

約数ペア:

[(1, 87783990), (2, 43891995), (3, 29261330), (5, 17556798), (6, 14630665), (7, 12540570), (10, 8778399), (14, 6270285), (15, 5852266), (19, 4620210), (21, 4180190), (30, 2926133), (35, 2508114), (38, 2310105), (42, 2090095), (49, 1791510), (57, 1540070), (70, 1254057), (95, 924042), (98, 895755), (105, 836038), (114, 770035), (133, 660030), (147, 597170), (190, 462021), (210, 418019), (245, 358302), (266, 330015), (285, 308014), (294, 298585), (343, 255930), (399, 220010), (449, 195510), (490, 179151), (570, 154007), (665, 132006), (686, 127965), (735, 119434), (798, 110005), (898, 97755), (931, 94290), (1029, 85310), (1330, 66003), (1347, 65170), (1470, 59717), (1715, 51186), (1862, 47145), (1995, 44002), (2058, 42655), (2245, 39102), (2694, 32585), (2793, 31430), (3143, 27930), (3430, 25593), (3990, 22001), (4490, 19551), (4655, 18858), (5145, 17062), (5586, 15715), (6286, 13965), (6517, 13470), (6735, 13034), (8531, 10290), (9310, 9429)]