245180240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1060

約数の個数: 80

約数和(自身を含む): 594485760

約数和(自身を除く): 349305520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 218, 248, 310, 436, 496, 545, 620, 872, 907, 1090, 1240, 1744, 1814, 2180, 2480, 3379, 3628, 4360, 4535, 6758, 7256, 8720, 9070, 13516, 14512, 16895, 18140, 27032, 28117, 33790, 36280, 54064, 56234, 67580, 72560, 98863, 112468, 135160, 140585, 197726, 224936, 270320, 281170, 395452, 449872, 494315, 562340, 790904, 988630, 1124680, 1581808, 1977260, 2249360, 3064753, 3954520, 6129506, 7909040, 12259012, 15323765, 24518024, 30647530, 49036048, 61295060, 122590120, 245180240]

約数ペア:

[(1, 245180240), (2, 122590120), (4, 61295060), (5, 49036048), (8, 30647530), (10, 24518024), (16, 15323765), (20, 12259012), (31, 7909040), (40, 6129506), (62, 3954520), (80, 3064753), (109, 2249360), (124, 1977260), (155, 1581808), (218, 1124680), (248, 988630), (310, 790904), (436, 562340), (496, 494315), (545, 449872), (620, 395452), (872, 281170), (907, 270320), (1090, 224936), (1240, 197726), (1744, 140585), (1814, 135160), (2180, 112468), (2480, 98863), (3379, 72560), (3628, 67580), (4360, 56234), (4535, 54064), (6758, 36280), (7256, 33790), (8720, 28117), (9070, 27032), (13516, 18140), (14512, 16895)]