639416700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{18217}}^1$

素因数の和:18253

約数の個数: 144

約数和(自身を含む): 2213851360

約数和(自身を除く): 1574434660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 585, 650, 675, 702, 780, 900, 975, 1170, 1300, 1350, 1404, 1755, 1950, 2340, 2700, 2925, 3510, 3900, 5850, 7020, 8775, 11700, 17550, 18217, 35100, 36434, 54651, 72868, 91085, 109302, 163953, 182170, 218604, 236821, 273255, 327906, 364340, 455425, 473642, 491859, 546510, 655812, 710463, 819765, 910850, 947284, 983718, 1093020, 1184105, 1366275, 1420926, 1639530, 1821700, 1967436, 2131389, 2368210, 2459295, 2732550, 2841852, 3279060, 3552315, 4098825, 4262778, 4736420, 4918590, 5465100, 5920525, 6394167, 7104630, 8197650, 8525556, 9837180, 10656945, 11841050, 12296475, 12788334, 14209260, 16395300, 17761575, 21313890, 23682100, 24592950, 25576668, 31970835, 35523150, 42627780, 49185900, 53284725, 63941670, 71046300, 106569450, 127883340, 159854175, 213138900, 319708350, 639416700]

約数ペア:

[(1, 639416700), (2, 319708350), (3, 213138900), (4, 159854175), (5, 127883340), (6, 106569450), (9, 71046300), (10, 63941670), (12, 53284725), (13, 49185900), (15, 42627780), (18, 35523150), (20, 31970835), (25, 25576668), (26, 24592950), (27, 23682100), (30, 21313890), (36, 17761575), (39, 16395300), (45, 14209260), (50, 12788334), (52, 12296475), (54, 11841050), (60, 10656945), (65, 9837180), (75, 8525556), (78, 8197650), (90, 7104630), (100, 6394167), (108, 5920525), (117, 5465100), (130, 4918590), (135, 4736420), (150, 4262778), (156, 4098825), (180, 3552315), (195, 3279060), (225, 2841852), (234, 2732550), (260, 2459295), (270, 2368210), (300, 2131389), (325, 1967436), (351, 1821700), (390, 1639530), (450, 1420926), (468, 1366275), (540, 1184105), (585, 1093020), (650, 983718), (675, 947284), (702, 910850), (780, 819765), (900, 710463), (975, 655812), (1170, 546510), (1300, 491859), (1350, 473642), (1404, 455425), (1755, 364340), (1950, 327906), (2340, 273255), (2700, 236821), (2925, 218604), (3510, 182170), (3900, 163953), (5850, 109302), (7020, 91085), (8775, 72868), (11700, 54651), (17550, 36434), (18217, 35100)]