256985640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37571}}^1$

素因数の和:37607

約数の個数: 96

約数和(自身を含む): 879184800

約数和(自身を除く): 622199160

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, 37571, 75142, 112713, 150284, 187855, 225426, 300568, 338139, 375710, 450852, 563565, 676278, 713849, 751420, 901704, 1127130, 1352556, 1427698, 1502840, 1690695, 2141547, 2254260, 2705112, 2855396, 3381390, 3569245, 4283094, 4508520, 5710792, 6424641, 6762780, 7138490, 8566188, 10707735, 12849282, 13525560, 14276980, 17132376, 21415470, 25698564, 28553960, 32123205, 42830940, 51397128, 64246410, 85661880, 128492820, 256985640]

約数ペア:

[(1, 256985640), (2, 128492820), (3, 85661880), (4, 64246410), (5, 51397128), (6, 42830940), (8, 32123205), (9, 28553960), (10, 25698564), (12, 21415470), (15, 17132376), (18, 14276980), (19, 13525560), (20, 12849282), (24, 10707735), (30, 8566188), (36, 7138490), (38, 6762780), (40, 6424641), (45, 5710792), (57, 4508520), (60, 4283094), (72, 3569245), (76, 3381390), (90, 2855396), (95, 2705112), (114, 2254260), (120, 2141547), (152, 1690695), (171, 1502840), (180, 1427698), (190, 1352556), (228, 1127130), (285, 901704), (342, 751420), (360, 713849), (380, 676278), (456, 563565), (570, 450852), (684, 375710), (760, 338139), (855, 300568), (1140, 225426), (1368, 187855), (1710, 150284), (2280, 112713), (3420, 75142), (6840, 37571)]