242714640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{20639}}^1$

素因数の和:20669

約数の個数: 120

約数和(自身を含む): 875301120

約数和(自身を除く): 632586480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 20639, 41278, 61917, 82556, 103195, 123834, 144473, 165112, 206390, 247668, 288946, 309585, 330224, 412780, 433419, 495336, 577892, 619170, 722365, 825560, 866838, 990672, 1011311, 1155784, 1238340, 1444730, 1651120, 1733676, 2022622, 2167095, 2311568, 2476680, 2889460, 3033933, 3467352, 4045244, 4334190, 4953360, 5056555, 5778920, 6067866, 6934704, 8090488, 8668380, 10113110, 11557840, 12135732, 15169665, 16180976, 17336760, 20226220, 24271464, 30339330, 34673520, 40452440, 48542928, 60678660, 80904880, 121357320, 242714640]

約数ペア:

[(1, 242714640), (2, 121357320), (3, 80904880), (4, 60678660), (5, 48542928), (6, 40452440), (7, 34673520), (8, 30339330), (10, 24271464), (12, 20226220), (14, 17336760), (15, 16180976), (16, 15169665), (20, 12135732), (21, 11557840), (24, 10113110), (28, 8668380), (30, 8090488), (35, 6934704), (40, 6067866), (42, 5778920), (48, 5056555), (49, 4953360), (56, 4334190), (60, 4045244), (70, 3467352), (80, 3033933), (84, 2889460), (98, 2476680), (105, 2311568), (112, 2167095), (120, 2022622), (140, 1733676), (147, 1651120), (168, 1444730), (196, 1238340), (210, 1155784), (240, 1011311), (245, 990672), (280, 866838), (294, 825560), (336, 722365), (392, 619170), (420, 577892), (490, 495336), (560, 433419), (588, 412780), (735, 330224), (784, 309585), (840, 288946), (980, 247668), (1176, 206390), (1470, 165112), (1680, 144473), (1960, 123834), (2352, 103195), (2940, 82556), (3920, 61917), (5880, 41278), (11760, 20639)]