1577940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:66

約数の個数: 144

約数和(自身を含む): 5776512

約数和(自身を除く): 4198572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 289, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 578, 595, 663, 714, 780, 867, 884, 910, 1020, 1092, 1105, 1156, 1190, 1326, 1365, 1428, 1445, 1547, 1734, 1785, 1820, 2023, 2210, 2380, 2652, 2730, 2890, 3094, 3315, 3468, 3570, 3757, 4046, 4335, 4420, 4641, 5460, 5780, 6069, 6188, 6630, 7140, 7514, 7735, 8092, 8670, 9282, 10115, 11271, 12138, 13260, 15028, 15470, 17340, 18564, 18785, 20230, 22542, 23205, 24276, 26299, 30345, 30940, 37570, 40460, 45084, 46410, 52598, 56355, 60690, 75140, 78897, 92820, 105196, 112710, 121380, 131495, 157794, 225420, 262990, 315588, 394485, 525980, 788970, 1577940]

約数ペア:

[(1, 1577940), (2, 788970), (3, 525980), (4, 394485), (5, 315588), (6, 262990), (7, 225420), (10, 157794), (12, 131495), (13, 121380), (14, 112710), (15, 105196), (17, 92820), (20, 78897), (21, 75140), (26, 60690), (28, 56355), (30, 52598), (34, 46410), (35, 45084), (39, 40460), (42, 37570), (51, 30940), (52, 30345), (60, 26299), (65, 24276), (68, 23205), (70, 22542), (78, 20230), (84, 18785), (85, 18564), (91, 17340), (102, 15470), (105, 15028), (119, 13260), (130, 12138), (140, 11271), (156, 10115), (170, 9282), (182, 8670), (195, 8092), (204, 7735), (210, 7514), (221, 7140), (238, 6630), (255, 6188), (260, 6069), (273, 5780), (289, 5460), (340, 4641), (357, 4420), (364, 4335), (390, 4046), (420, 3757), (442, 3570), (455, 3468), (476, 3315), (510, 3094), (546, 2890), (578, 2730), (595, 2652), (663, 2380), (714, 2210), (780, 2023), (867, 1820), (884, 1785), (910, 1734), (1020, 1547), (1092, 1445), (1105, 1428), (1156, 1365), (1190, 1326)]