864719640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{126421}}^1$

素因数の和:126457

約数の個数: 96

約数和(自身を含む): 2958274800

約数和(自身を除く): 2093555160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 126421, 252842, 379263, 505684, 632105, 758526, 1011368, 1137789, 1264210, 1517052, 1896315, 2275578, 2401999, 2528420, 3034104, 3792630, 4551156, 4803998, 5056840, 5688945, 7205997, 7585260, 9102312, 9607996, 11377890, 12009995, 14411994, 15170520, 19215992, 21617991, 22755780, 24019990, 28823988, 36029985, 43235982, 45511560, 48039980, 57647976, 72059970, 86471964, 96079960, 108089955, 144119940, 172943928, 216179910, 288239880, 432359820, 864719640]

約数ペア:

[(1, 864719640), (2, 432359820), (3, 288239880), (4, 216179910), (5, 172943928), (6, 144119940), (8, 108089955), (9, 96079960), (10, 86471964), (12, 72059970), (15, 57647976), (18, 48039980), (19, 45511560), (20, 43235982), (24, 36029985), (30, 28823988), (36, 24019990), (38, 22755780), (40, 21617991), (45, 19215992), (57, 15170520), (60, 14411994), (72, 12009995), (76, 11377890), (90, 9607996), (95, 9102312), (114, 7585260), (120, 7205997), (152, 5688945), (171, 5056840), (180, 4803998), (190, 4551156), (228, 3792630), (285, 3034104), (342, 2528420), (360, 2401999), (380, 2275578), (456, 1896315), (570, 1517052), (684, 1264210), (760, 1137789), (855, 1011368), (1140, 758526), (1368, 632105), (1710, 505684), (2280, 379263), (3420, 252842), (6840, 126421)]