1630481960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2611

約数の個数: 128

約数和(自身を含む): 4140115200

約数和(自身を除く): 2509633240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 37, 38, 40, 46, 74, 76, 92, 95, 115, 148, 152, 184, 185, 190, 230, 296, 370, 380, 437, 460, 703, 740, 760, 851, 874, 920, 1406, 1480, 1702, 1748, 2185, 2521, 2812, 3404, 3496, 3515, 4255, 4370, 5042, 5624, 6808, 7030, 8510, 8740, 10084, 12605, 14060, 16169, 17020, 17480, 20168, 25210, 28120, 32338, 34040, 47899, 50420, 57983, 64676, 80845, 93277, 95798, 100840, 115966, 129352, 161690, 186554, 191596, 231932, 239495, 289915, 323380, 373108, 383192, 463864, 466385, 478990, 579830, 646760, 746216, 932770, 957980, 1101677, 1159660, 1772263, 1865540, 1915960, 2145371, 2203354, 2319320, 3544526, 3731080, 4290742, 4406708, 5508385, 7089052, 8581484, 8813416, 8861315, 10726855, 11016770, 14178104, 17162968, 17722630, 21453710, 22033540, 35445260, 40762049, 42907420, 44067080, 70890520, 81524098, 85814840, 163048196, 203810245, 326096392, 407620490, 815240980, 1630481960]

約数ペア:

[(1, 1630481960), (2, 815240980), (4, 407620490), (5, 326096392), (8, 203810245), (10, 163048196), (19, 85814840), (20, 81524098), (23, 70890520), (37, 44067080), (38, 42907420), (40, 40762049), (46, 35445260), (74, 22033540), (76, 21453710), (92, 17722630), (95, 17162968), (115, 14178104), (148, 11016770), (152, 10726855), (184, 8861315), (185, 8813416), (190, 8581484), (230, 7089052), (296, 5508385), (370, 4406708), (380, 4290742), (437, 3731080), (460, 3544526), (703, 2319320), (740, 2203354), (760, 2145371), (851, 1915960), (874, 1865540), (920, 1772263), (1406, 1159660), (1480, 1101677), (1702, 957980), (1748, 932770), (2185, 746216), (2521, 646760), (2812, 579830), (3404, 478990), (3496, 466385), (3515, 463864), (4255, 383192), (4370, 373108), (5042, 323380), (5624, 289915), (6808, 239495), (7030, 231932), (8510, 191596), (8740, 186554), (10084, 161690), (12605, 129352), (14060, 115966), (16169, 100840), (17020, 95798), (17480, 93277), (20168, 80845), (25210, 64676), (28120, 57983), (32338, 50420), (34040, 47899)]