195756320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:754

約数の個数: 96

約数和(自身を含む): 485968896

約数和(自身を除く): 290212576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 122, 124, 155, 160, 244, 248, 305, 310, 488, 496, 610, 620, 647, 976, 992, 1220, 1240, 1294, 1891, 1952, 2440, 2480, 2588, 3235, 3782, 4880, 4960, 5176, 6470, 7564, 9455, 9760, 10352, 12940, 15128, 18910, 20057, 20704, 25880, 30256, 37820, 39467, 40114, 51760, 60512, 75640, 78934, 80228, 100285, 103520, 151280, 157868, 160456, 197335, 200570, 302560, 315736, 320912, 394670, 401140, 631472, 641824, 789340, 802280, 1223477, 1262944, 1578680, 1604560, 2446954, 3157360, 3209120, 4893908, 6117385, 6314720, 9787816, 12234770, 19575632, 24469540, 39151264, 48939080, 97878160, 195756320]

約数ペア:

[(1, 195756320), (2, 97878160), (4, 48939080), (5, 39151264), (8, 24469540), (10, 19575632), (16, 12234770), (20, 9787816), (31, 6314720), (32, 6117385), (40, 4893908), (61, 3209120), (62, 3157360), (80, 2446954), (122, 1604560), (124, 1578680), (155, 1262944), (160, 1223477), (244, 802280), (248, 789340), (305, 641824), (310, 631472), (488, 401140), (496, 394670), (610, 320912), (620, 315736), (647, 302560), (976, 200570), (992, 197335), (1220, 160456), (1240, 157868), (1294, 151280), (1891, 103520), (1952, 100285), (2440, 80228), (2480, 78934), (2588, 75640), (3235, 60512), (3782, 51760), (4880, 40114), (4960, 39467), (5176, 37820), (6470, 30256), (7564, 25880), (9455, 20704), (9760, 20057), (10352, 18910), (12940, 15128)]