1217520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 4352400

約数和(自身を除く): 3134880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 89, 90, 95, 114, 120, 144, 152, 171, 178, 180, 190, 228, 240, 267, 285, 304, 342, 356, 360, 380, 445, 456, 534, 570, 684, 712, 720, 760, 801, 855, 890, 912, 1068, 1140, 1335, 1368, 1424, 1520, 1602, 1691, 1710, 1780, 2136, 2280, 2670, 2736, 3204, 3382, 3420, 3560, 4005, 4272, 4560, 5073, 5340, 6408, 6764, 6840, 7120, 8010, 8455, 10146, 10680, 12816, 13528, 13680, 15219, 16020, 16910, 20292, 21360, 25365, 27056, 30438, 32040, 33820, 40584, 50730, 60876, 64080, 67640, 76095, 81168, 101460, 121752, 135280, 152190, 202920, 243504, 304380, 405840, 608760, 1217520]

約数ペア:

[(1, 1217520), (2, 608760), (3, 405840), (4, 304380), (5, 243504), (6, 202920), (8, 152190), (9, 135280), (10, 121752), (12, 101460), (15, 81168), (16, 76095), (18, 67640), (19, 64080), (20, 60876), (24, 50730), (30, 40584), (36, 33820), (38, 32040), (40, 30438), (45, 27056), (48, 25365), (57, 21360), (60, 20292), (72, 16910), (76, 16020), (80, 15219), (89, 13680), (90, 13528), (95, 12816), (114, 10680), (120, 10146), (144, 8455), (152, 8010), (171, 7120), (178, 6840), (180, 6764), (190, 6408), (228, 5340), (240, 5073), (267, 4560), (285, 4272), (304, 4005), (342, 3560), (356, 3420), (360, 3382), (380, 3204), (445, 2736), (456, 2670), (534, 2280), (570, 2136), (684, 1780), (712, 1710), (720, 1691), (760, 1602), (801, 1520), (855, 1424), (890, 1368), (912, 1335), (1068, 1140)]