489551400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20956

約数の個数: 144

約数和(自身を含む): 1770628860

約数和(自身を除く): 1281077460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1300, 1560, 1800, 1950, 2340, 2600, 2925, 3900, 4680, 5850, 7800, 11700, 20921, 23400, 41842, 62763, 83684, 104605, 125526, 167368, 188289, 209210, 251052, 271973, 313815, 376578, 418420, 502104, 523025, 543946, 627630, 753156, 815919, 836840, 941445, 1046050, 1087892, 1255260, 1359865, 1506312, 1569075, 1631838, 1882890, 2092100, 2175784, 2447757, 2510520, 2719730, 3138150, 3263676, 3765780, 4079595, 4184200, 4707225, 4895514, 5439460, 6276300, 6527352, 6799325, 7531560, 8159190, 9414450, 9791028, 10878920, 12238785, 12552600, 13598650, 16318380, 18828900, 19582056, 20397975, 24477570, 27197300, 32636760, 37657800, 40795950, 48955140, 54394600, 61193925, 81591900, 97910280, 122387850, 163183800, 244775700, 489551400]

約数ペア:

[(1, 489551400), (2, 244775700), (3, 163183800), (4, 122387850), (5, 97910280), (6, 81591900), (8, 61193925), (9, 54394600), (10, 48955140), (12, 40795950), (13, 37657800), (15, 32636760), (18, 27197300), (20, 24477570), (24, 20397975), (25, 19582056), (26, 18828900), (30, 16318380), (36, 13598650), (39, 12552600), (40, 12238785), (45, 10878920), (50, 9791028), (52, 9414450), (60, 8159190), (65, 7531560), (72, 6799325), (75, 6527352), (78, 6276300), (90, 5439460), (100, 4895514), (104, 4707225), (117, 4184200), (120, 4079595), (130, 3765780), (150, 3263676), (156, 3138150), (180, 2719730), (195, 2510520), (200, 2447757), (225, 2175784), (234, 2092100), (260, 1882890), (300, 1631838), (312, 1569075), (325, 1506312), (360, 1359865), (390, 1255260), (450, 1087892), (468, 1046050), (520, 941445), (585, 836840), (600, 815919), (650, 753156), (780, 627630), (900, 543946), (936, 523025), (975, 502104), (1170, 418420), (1300, 376578), (1560, 313815), (1800, 271973), (1950, 251052), (2340, 209210), (2600, 188289), (2925, 167368), (3900, 125526), (4680, 104605), (5850, 83684), (7800, 62763), (11700, 41842), (20921, 23400)]