210021240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12239}}^1$

素因数の和:12277

約数の個数: 128

約数和(自身を含む): 740275200

約数和(自身を除く): 530253960

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, 12239, 17160, 24478, 36717, 48956, 61195, 73434, 97912, 122390, 134629, 146868, 159107, 183585, 244780, 269258, 293736, 318214, 367170, 403887, 477321, 489560, 538516, 636428, 673145, 734340, 795535, 807774, 954642, 1077032, 1272856, 1346290, 1468680, 1591070, 1615548, 1750177, 1909284, 2019435, 2386605, 2692580, 3182140, 3231096, 3500354, 3818568, 4038870, 4773210, 5250531, 5385160, 6364280, 7000708, 8077740, 8750885, 9546420, 10501062, 14001416, 16155480, 17501770, 19092840, 21002124, 26252655, 35003540, 42004248, 52505310, 70007080, 105010620, 210021240]

約数ペア:

[(1, 210021240), (2, 105010620), (3, 70007080), (4, 52505310), (5, 42004248), (6, 35003540), (8, 26252655), (10, 21002124), (11, 19092840), (12, 17501770), (13, 16155480), (15, 14001416), (20, 10501062), (22, 9546420), (24, 8750885), (26, 8077740), (30, 7000708), (33, 6364280), (39, 5385160), (40, 5250531), (44, 4773210), (52, 4038870), (55, 3818568), (60, 3500354), (65, 3231096), (66, 3182140), (78, 2692580), (88, 2386605), (104, 2019435), (110, 1909284), (120, 1750177), (130, 1615548), (132, 1591070), (143, 1468680), (156, 1346290), (165, 1272856), (195, 1077032), (220, 954642), (260, 807774), (264, 795535), (286, 734340), (312, 673145), (330, 636428), (390, 538516), (429, 489560), (440, 477321), (520, 403887), (572, 367170), (660, 318214), (715, 293736), (780, 269258), (858, 244780), (1144, 183585), (1320, 159107), (1430, 146868), (1560, 134629), (1716, 122390), (2145, 97912), (2860, 73434), (3432, 61195), (4290, 48956), (5720, 36717), (8580, 24478), (12239, 17160)]