491789160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71899}}^1$

素因数の和:71935

約数の個数: 96

約数和(自身を含む): 1682460000

約数和(自身を除く): 1190670840

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, 71899, 143798, 215697, 287596, 359495, 431394, 575192, 647091, 718990, 862788, 1078485, 1294182, 1366081, 1437980, 1725576, 2156970, 2588364, 2732162, 2875960, 3235455, 4098243, 4313940, 5176728, 5464324, 6470910, 6830405, 8196486, 8627880, 10928648, 12294729, 12941820, 13660810, 16392972, 20491215, 24589458, 25883640, 27321620, 32785944, 40982430, 49178916, 54643240, 61473645, 81964860, 98357832, 122947290, 163929720, 245894580, 491789160]

約数ペア:

[(1, 491789160), (2, 245894580), (3, 163929720), (4, 122947290), (5, 98357832), (6, 81964860), (8, 61473645), (9, 54643240), (10, 49178916), (12, 40982430), (15, 32785944), (18, 27321620), (19, 25883640), (20, 24589458), (24, 20491215), (30, 16392972), (36, 13660810), (38, 12941820), (40, 12294729), (45, 10928648), (57, 8627880), (60, 8196486), (72, 6830405), (76, 6470910), (90, 5464324), (95, 5176728), (114, 4313940), (120, 4098243), (152, 3235455), (171, 2875960), (180, 2732162), (190, 2588364), (228, 2156970), (285, 1725576), (342, 1437980), (360, 1366081), (380, 1294182), (456, 1078485), (570, 862788), (684, 718990), (760, 647091), (855, 575192), (1140, 431394), (1368, 359495), (1710, 287596), (2280, 215697), (3420, 143798), (6840, 71899)]