72817680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23339}}^1$

素因数の和:23368

約数の個数: 80

約数和(自身を含む): 243109440

約数和(自身を除く): 170291760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 23339, 46678, 70017, 93356, 116695, 140034, 186712, 233390, 280068, 303407, 350085, 373424, 466780, 560136, 606814, 700170, 910221, 933560, 1120272, 1213628, 1400340, 1517035, 1820442, 1867120, 2427256, 2800680, 3034070, 3640884, 4551105, 4854512, 5601360, 6068140, 7281768, 9102210, 12136280, 14563536, 18204420, 24272560, 36408840, 72817680]

約数ペア:

[(1, 72817680), (2, 36408840), (3, 24272560), (4, 18204420), (5, 14563536), (6, 12136280), (8, 9102210), (10, 7281768), (12, 6068140), (13, 5601360), (15, 4854512), (16, 4551105), (20, 3640884), (24, 3034070), (26, 2800680), (30, 2427256), (39, 1867120), (40, 1820442), (48, 1517035), (52, 1400340), (60, 1213628), (65, 1120272), (78, 933560), (80, 910221), (104, 700170), (120, 606814), (130, 560136), (156, 466780), (195, 373424), (208, 350085), (240, 303407), (260, 280068), (312, 233390), (390, 186712), (520, 140034), (624, 116695), (780, 93356), (1040, 70017), (1560, 46678), (3120, 23339)]