265420680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{315977}}^1$

素因数の和:315998

約数の個数: 64

約数和(自身を含む): 910016640

約数和(自身を除く): 644595960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 315977, 631954, 947931, 1263908, 1579885, 1895862, 2211839, 2527816, 3159770, 3791724, 4423678, 4739655, 6319540, 6635517, 7583448, 8847356, 9479310, 11059195, 12639080, 13271034, 17694712, 18958620, 22118390, 26542068, 33177585, 37917240, 44236780, 53084136, 66355170, 88473560, 132710340, 265420680]

約数ペア:

[(1, 265420680), (2, 132710340), (3, 88473560), (4, 66355170), (5, 53084136), (6, 44236780), (7, 37917240), (8, 33177585), (10, 26542068), (12, 22118390), (14, 18958620), (15, 17694712), (20, 13271034), (21, 12639080), (24, 11059195), (28, 9479310), (30, 8847356), (35, 7583448), (40, 6635517), (42, 6319540), (56, 4739655), (60, 4423678), (70, 3791724), (84, 3159770), (105, 2527816), (120, 2211839), (140, 1895862), (168, 1579885), (210, 1263908), (280, 947931), (420, 631954), (840, 315977)]