280377240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16339}}^1$

素因数の和:16377

約数の個数: 128

約数和(自身を含む): 988243200

約数和(自身を除く): 707865960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 16339, 17160, 32678, 49017, 65356, 81695, 98034, 130712, 163390, 179729, 196068, 212407, 245085, 326780, 359458, 392136, 424814, 490170, 539187, 637221, 653560, 718916, 849628, 898645, 980340, 1062035, 1078374, 1274442, 1437832, 1699256, 1797290, 1960680, 2124070, 2156748, 2336477, 2548884, 2695935, 3186105, 3594580, 4248140, 4313496, 4672954, 5097768, 5391870, 6372210, 7009431, 7189160, 8496280, 9345908, 10783740, 11682385, 12744420, 14018862, 18691816, 21567480, 23364770, 25488840, 28037724, 35047155, 46729540, 56075448, 70094310, 93459080, 140188620, 280377240]

約数ペア:

[(1, 280377240), (2, 140188620), (3, 93459080), (4, 70094310), (5, 56075448), (6, 46729540), (8, 35047155), (10, 28037724), (11, 25488840), (12, 23364770), (13, 21567480), (15, 18691816), (20, 14018862), (22, 12744420), (24, 11682385), (26, 10783740), (30, 9345908), (33, 8496280), (39, 7189160), (40, 7009431), (44, 6372210), (52, 5391870), (55, 5097768), (60, 4672954), (65, 4313496), (66, 4248140), (78, 3594580), (88, 3186105), (104, 2695935), (110, 2548884), (120, 2336477), (130, 2156748), (132, 2124070), (143, 1960680), (156, 1797290), (165, 1699256), (195, 1437832), (220, 1274442), (260, 1078374), (264, 1062035), (286, 980340), (312, 898645), (330, 849628), (390, 718916), (429, 653560), (440, 637221), (520, 539187), (572, 490170), (660, 424814), (715, 392136), (780, 359458), (858, 326780), (1144, 245085), (1320, 212407), (1430, 196068), (1560, 179729), (1716, 163390), (2145, 130712), (2860, 98034), (3432, 81695), (4290, 65356), (5720, 49017), (8580, 32678), (16339, 17160)]