281026980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120097}}^1$

素因数の和:120125

約数の個数: 72

約数和(自身を含む): 918029112

約数和(自身を除く): 637002132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 120097, 240194, 360291, 480388, 600485, 720582, 1080873, 1200970, 1441164, 1561261, 1801455, 2161746, 2401940, 3122522, 3602910, 4323492, 4683783, 5404365, 6245044, 7205820, 7806305, 9367566, 10808730, 14051349, 15612610, 18735132, 21617460, 23418915, 28102698, 31225220, 46837830, 56205396, 70256745, 93675660, 140513490, 281026980]

約数ペア:

[(1, 281026980), (2, 140513490), (3, 93675660), (4, 70256745), (5, 56205396), (6, 46837830), (9, 31225220), (10, 28102698), (12, 23418915), (13, 21617460), (15, 18735132), (18, 15612610), (20, 14051349), (26, 10808730), (30, 9367566), (36, 7806305), (39, 7205820), (45, 6245044), (52, 5404365), (60, 4683783), (65, 4323492), (78, 3602910), (90, 3122522), (117, 2401940), (130, 2161746), (156, 1801455), (180, 1561261), (195, 1441164), (234, 1200970), (260, 1080873), (390, 720582), (468, 600485), (585, 480388), (780, 360291), (1170, 240194), (2340, 120097)]