19793787720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{20123}}^1$

素因数の和:21315

約数の個数: 128

約数和(自身を含む): 67925744640

約数和(自身を除く): 48131956920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1171, 2342, 3513, 4684, 5855, 7026, 8197, 9368, 11710, 14052, 16394, 17565, 20123, 23420, 24591, 28104, 32788, 35130, 40246, 40985, 46840, 49182, 60369, 65576, 70260, 80492, 81970, 98364, 100615, 120738, 122955, 140520, 140861, 160984, 163940, 196728, 201230, 241476, 245910, 281722, 301845, 327880, 402460, 422583, 482952, 491820, 563444, 603690, 704305, 804920, 845166, 983640, 1126888, 1207380, 1408610, 1690332, 2112915, 2414760, 2817220, 3380664, 4225830, 5634440, 8451660, 16903320, 23564033, 47128066, 70692099, 94256132, 117820165, 141384198, 164948231, 188512264, 235640330, 282768396, 329896462, 353460495, 471280660, 494844693, 565536792, 659792924, 706920990, 824741155, 942561320, 989689386, 1319585848, 1413841980, 1649482310, 1979378772, 2474223465, 2827683960, 3298964620, 3958757544, 4948446930, 6597929240, 9896893860, 19793787720]

約数ペア:

[(1, 19793787720), (2, 9896893860), (3, 6597929240), (4, 4948446930), (5, 3958757544), (6, 3298964620), (7, 2827683960), (8, 2474223465), (10, 1979378772), (12, 1649482310), (14, 1413841980), (15, 1319585848), (20, 989689386), (21, 942561320), (24, 824741155), (28, 706920990), (30, 659792924), (35, 565536792), (40, 494844693), (42, 471280660), (56, 353460495), (60, 329896462), (70, 282768396), (84, 235640330), (105, 188512264), (120, 164948231), (140, 141384198), (168, 117820165), (210, 94256132), (280, 70692099), (420, 47128066), (840, 23564033), (1171, 16903320), (2342, 8451660), (3513, 5634440), (4684, 4225830), (5855, 3380664), (7026, 2817220), (8197, 2414760), (9368, 2112915), (11710, 1690332), (14052, 1408610), (16394, 1207380), (17565, 1126888), (20123, 983640), (23420, 845166), (24591, 804920), (28104, 704305), (32788, 603690), (35130, 563444), (40246, 491820), (40985, 482952), (46840, 422583), (49182, 402460), (60369, 327880), (65576, 301845), (70260, 281722), (80492, 245910), (81970, 241476), (98364, 201230), (100615, 196728), (120738, 163940), (122955, 160984), (140520, 140861)]