123328920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7187}}^1$

素因数の和:7225

約数の個数: 128

約数和(自身を含む): 434730240

約数和(自身を除く): 311401320

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, 7187, 8580, 14374, 17160, 21561, 28748, 35935, 43122, 57496, 71870, 79057, 86244, 93431, 107805, 143740, 158114, 172488, 186862, 215610, 237171, 280293, 287480, 316228, 373724, 395285, 431220, 467155, 474342, 560586, 632456, 747448, 790570, 862440, 934310, 948684, 1027741, 1121172, 1185855, 1401465, 1581140, 1868620, 1897368, 2055482, 2242344, 2371710, 2802930, 3083223, 3162280, 3737240, 4110964, 4743420, 5138705, 5605860, 6166446, 8221928, 9486840, 10277410, 11211720, 12332892, 15416115, 20554820, 24665784, 30832230, 41109640, 61664460, 123328920]

約数ペア:

[(1, 123328920), (2, 61664460), (3, 41109640), (4, 30832230), (5, 24665784), (6, 20554820), (8, 15416115), (10, 12332892), (11, 11211720), (12, 10277410), (13, 9486840), (15, 8221928), (20, 6166446), (22, 5605860), (24, 5138705), (26, 4743420), (30, 4110964), (33, 3737240), (39, 3162280), (40, 3083223), (44, 2802930), (52, 2371710), (55, 2242344), (60, 2055482), (65, 1897368), (66, 1868620), (78, 1581140), (88, 1401465), (104, 1185855), (110, 1121172), (120, 1027741), (130, 948684), (132, 934310), (143, 862440), (156, 790570), (165, 747448), (195, 632456), (220, 560586), (260, 474342), (264, 467155), (286, 431220), (312, 395285), (330, 373724), (390, 316228), (429, 287480), (440, 280293), (520, 237171), (572, 215610), (660, 186862), (715, 172488), (780, 158114), (858, 143740), (1144, 107805), (1320, 93431), (1430, 86244), (1560, 79057), (1716, 71870), (2145, 57496), (2860, 43122), (3432, 35935), (4290, 28748), (5720, 21561), (7187, 17160), (8580, 14374)]