490954680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71777}}^1$

素因数の和:71813

約数の個数: 96

約数和(自身を含む): 1679605200

約数和(自身を除く): 1188650520

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, 71777, 143554, 215331, 287108, 358885, 430662, 574216, 645993, 717770, 861324, 1076655, 1291986, 1363763, 1435540, 1722648, 2153310, 2583972, 2727526, 2871080, 3229965, 4091289, 4306620, 5167944, 5455052, 6459930, 6818815, 8182578, 8613240, 10910104, 12273867, 12919860, 13637630, 16365156, 20456445, 24547734, 25839720, 27275260, 32730312, 40912890, 49095468, 54550520, 61369335, 81825780, 98190936, 122738670, 163651560, 245477340, 490954680]

約数ペア:

[(1, 490954680), (2, 245477340), (3, 163651560), (4, 122738670), (5, 98190936), (6, 81825780), (8, 61369335), (9, 54550520), (10, 49095468), (12, 40912890), (15, 32730312), (18, 27275260), (19, 25839720), (20, 24547734), (24, 20456445), (30, 16365156), (36, 13637630), (38, 12919860), (40, 12273867), (45, 10910104), (57, 8613240), (60, 8182578), (72, 6818815), (76, 6459930), (90, 5455052), (95, 5167944), (114, 4306620), (120, 4091289), (152, 3229965), (171, 2871080), (180, 2727526), (190, 2583972), (228, 2153310), (285, 1722648), (342, 1435540), (360, 1363763), (380, 1291986), (456, 1076655), (570, 861324), (684, 717770), (760, 645993), (855, 574216), (1140, 430662), (1368, 358885), (1710, 287108), (2280, 215331), (3420, 143554), (6840, 71777)]