154672640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2003

約数の個数: 80

約数和(自身を含む): 383011200

約数和(自身を除く): 228338560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1949, 1984, 2480, 2560, 3898, 3968, 4960, 7796, 7936, 9745, 9920, 15592, 15872, 19490, 19840, 31184, 38980, 39680, 60419, 62368, 77960, 79360, 120838, 124736, 155920, 241676, 249472, 302095, 311840, 483352, 498944, 604190, 623680, 966704, 997888, 1208380, 1247360, 1933408, 2416760, 2494720, 3866816, 4833520, 4989440, 7733632, 9667040, 15467264, 19334080, 30934528, 38668160, 77336320, 154672640]

約数ペア:

[(1, 154672640), (2, 77336320), (4, 38668160), (5, 30934528), (8, 19334080), (10, 15467264), (16, 9667040), (20, 7733632), (31, 4989440), (32, 4833520), (40, 3866816), (62, 2494720), (64, 2416760), (80, 1933408), (124, 1247360), (128, 1208380), (155, 997888), (160, 966704), (248, 623680), (256, 604190), (310, 498944), (320, 483352), (496, 311840), (512, 302095), (620, 249472), (640, 241676), (992, 155920), (1240, 124736), (1280, 120838), (1949, 79360), (1984, 77960), (2480, 62368), (2560, 60419), (3898, 39680), (3968, 38980), (4960, 31184), (7796, 19840), (7936, 19490), (9745, 15872), (9920, 15592)]