156856280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1129

約数の個数: 128

約数和(自身を含む): 441262080

約数和(自身を除く): 284405800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 476, 527, 595, 620, 680, 868, 952, 1054, 1063, 1085, 1190, 1240, 1736, 2108, 2126, 2170, 2380, 2635, 3689, 4216, 4252, 4340, 4760, 5270, 5315, 7378, 7441, 8504, 8680, 10540, 10630, 14756, 14882, 18071, 18445, 21080, 21260, 29512, 29764, 32953, 36142, 36890, 37205, 42520, 59528, 65906, 72284, 73780, 74410, 90355, 126497, 131812, 144568, 147560, 148820, 164765, 180710, 230671, 252994, 263624, 297640, 329530, 361420, 461342, 505988, 560201, 632485, 659060, 722840, 922684, 1011976, 1120402, 1153355, 1264970, 1318120, 1845368, 2240804, 2306710, 2529940, 2801005, 3921407, 4481608, 4613420, 5059880, 5602010, 7842814, 9226840, 11204020, 15685628, 19607035, 22408040, 31371256, 39214070, 78428140, 156856280]

約数ペア:

[(1, 156856280), (2, 78428140), (4, 39214070), (5, 31371256), (7, 22408040), (8, 19607035), (10, 15685628), (14, 11204020), (17, 9226840), (20, 7842814), (28, 5602010), (31, 5059880), (34, 4613420), (35, 4481608), (40, 3921407), (56, 2801005), (62, 2529940), (68, 2306710), (70, 2240804), (85, 1845368), (119, 1318120), (124, 1264970), (136, 1153355), (140, 1120402), (155, 1011976), (170, 922684), (217, 722840), (238, 659060), (248, 632485), (280, 560201), (310, 505988), (340, 461342), (434, 361420), (476, 329530), (527, 297640), (595, 263624), (620, 252994), (680, 230671), (868, 180710), (952, 164765), (1054, 148820), (1063, 147560), (1085, 144568), (1190, 131812), (1240, 126497), (1736, 90355), (2108, 74410), (2126, 73780), (2170, 72284), (2380, 65906), (2635, 59528), (3689, 42520), (4216, 37205), (4252, 36890), (4340, 36142), (4760, 32953), (5270, 29764), (5315, 29512), (7378, 21260), (7441, 21080), (8504, 18445), (8680, 18071), (10540, 14882), (10630, 14756)]