155200920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2531}}^1$

素因数の和:2625

約数の個数: 128

約数和(自身を含む): 539619840

約数和(自身を除く): 384418920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2531, 2555, 2920, 3066, 4088, 4380, 5062, 5110, 6132, 7593, 7665, 8760, 10124, 10220, 12264, 12655, 15186, 15330, 17717, 20248, 20440, 25310, 30372, 30660, 35434, 37965, 50620, 53151, 60744, 61320, 70868, 75930, 88585, 101240, 106302, 141736, 151860, 177170, 184763, 212604, 265755, 303720, 354340, 369526, 425208, 531510, 554289, 708680, 739052, 923815, 1063020, 1108578, 1293341, 1478104, 1847630, 2126040, 2217156, 2586682, 2771445, 3695260, 3880023, 4434312, 5173364, 5542890, 6466705, 7390520, 7760046, 10346728, 11085780, 12933410, 15520092, 19400115, 22171560, 25866820, 31040184, 38800230, 51733640, 77600460, 155200920]

約数ペア:

[(1, 155200920), (2, 77600460), (3, 51733640), (4, 38800230), (5, 31040184), (6, 25866820), (7, 22171560), (8, 19400115), (10, 15520092), (12, 12933410), (14, 11085780), (15, 10346728), (20, 7760046), (21, 7390520), (24, 6466705), (28, 5542890), (30, 5173364), (35, 4434312), (40, 3880023), (42, 3695260), (56, 2771445), (60, 2586682), (70, 2217156), (73, 2126040), (84, 1847630), (105, 1478104), (120, 1293341), (140, 1108578), (146, 1063020), (168, 923815), (210, 739052), (219, 708680), (280, 554289), (292, 531510), (365, 425208), (420, 369526), (438, 354340), (511, 303720), (584, 265755), (730, 212604), (840, 184763), (876, 177170), (1022, 151860), (1095, 141736), (1460, 106302), (1533, 101240), (1752, 88585), (2044, 75930), (2190, 70868), (2531, 61320), (2555, 60744), (2920, 53151), (3066, 50620), (4088, 37965), (4380, 35434), (5062, 30660), (5110, 30372), (6132, 25310), (7593, 20440), (7665, 20248), (8760, 17717), (10124, 15330), (10220, 15186), (12264, 12655)]