65665680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{653}}^1$

素因数の和:1088

約数の個数: 80

約数和(自身を含む): 204361920

約数和(自身を除く): 138696240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 419, 653, 838, 1257, 1306, 1676, 1959, 2095, 2514, 2612, 3265, 3352, 3918, 4190, 5028, 5224, 6285, 6530, 6704, 7836, 8380, 9795, 10056, 10448, 12570, 13060, 15672, 16760, 19590, 20112, 25140, 26120, 31344, 33520, 39180, 50280, 52240, 78360, 100560, 156720, 273607, 547214, 820821, 1094428, 1368035, 1641642, 2188856, 2736070, 3283284, 4104105, 4377712, 5472140, 6566568, 8208210, 10944280, 13133136, 16416420, 21888560, 32832840, 65665680]

約数ペア:

[(1, 65665680), (2, 32832840), (3, 21888560), (4, 16416420), (5, 13133136), (6, 10944280), (8, 8208210), (10, 6566568), (12, 5472140), (15, 4377712), (16, 4104105), (20, 3283284), (24, 2736070), (30, 2188856), (40, 1641642), (48, 1368035), (60, 1094428), (80, 820821), (120, 547214), (240, 273607), (419, 156720), (653, 100560), (838, 78360), (1257, 52240), (1306, 50280), (1676, 39180), (1959, 33520), (2095, 31344), (2514, 26120), (2612, 25140), (3265, 20112), (3352, 19590), (3918, 16760), (4190, 15672), (5028, 13060), (5224, 12570), (6285, 10448), (6530, 10056), (6704, 9795), (7836, 8380)]