920238720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15461}}^1$

素因数の和:15514

約数の個数: 128

約数和(自身を含む): 3028078080

約数和(自身を除く): 2107839360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 15461, 19840, 29760, 30922, 46383, 59520, 61844, 77305, 92766, 123688, 154610, 185532, 231915, 247376, 309220, 371064, 463830, 479291, 494752, 618440, 742128, 927660, 958582, 989504, 1236880, 1437873, 1484256, 1855320, 1917164, 1979008, 2396455, 2473760, 2875746, 2968512, 3710640, 3834328, 4792910, 4947520, 5751492, 5937024, 7189365, 7421280, 7668656, 9585820, 9895040, 11502984, 14378730, 14842560, 15337312, 19171640, 23005968, 28757460, 29685120, 30674624, 38343280, 46011936, 57514920, 61349248, 76686560, 92023872, 115029840, 153373120, 184047744, 230059680, 306746240, 460119360, 920238720]

約数ペア:

[(1, 920238720), (2, 460119360), (3, 306746240), (4, 230059680), (5, 184047744), (6, 153373120), (8, 115029840), (10, 92023872), (12, 76686560), (15, 61349248), (16, 57514920), (20, 46011936), (24, 38343280), (30, 30674624), (31, 29685120), (32, 28757460), (40, 23005968), (48, 19171640), (60, 15337312), (62, 14842560), (64, 14378730), (80, 11502984), (93, 9895040), (96, 9585820), (120, 7668656), (124, 7421280), (128, 7189365), (155, 5937024), (160, 5751492), (186, 4947520), (192, 4792910), (240, 3834328), (248, 3710640), (310, 2968512), (320, 2875746), (372, 2473760), (384, 2396455), (465, 1979008), (480, 1917164), (496, 1855320), (620, 1484256), (640, 1437873), (744, 1236880), (930, 989504), (960, 958582), (992, 927660), (1240, 742128), (1488, 618440), (1860, 494752), (1920, 479291), (1984, 463830), (2480, 371064), (2976, 309220), (3720, 247376), (3968, 231915), (4960, 185532), (5952, 154610), (7440, 123688), (9920, 92766), (11904, 77305), (14880, 61844), (15461, 59520), (19840, 46383), (29760, 30922)]