72197720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 200793600

約数和(自身を除く): 128595880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 133, 140, 152, 164, 190, 205, 266, 280, 287, 328, 331, 380, 410, 532, 574, 662, 665, 760, 779, 820, 1064, 1148, 1324, 1330, 1435, 1558, 1640, 1655, 2296, 2317, 2648, 2660, 2870, 3116, 3310, 3895, 4634, 5320, 5453, 5740, 6232, 6289, 6620, 7790, 9268, 10906, 11480, 11585, 12578, 13240, 13571, 15580, 18536, 21812, 23170, 25156, 27142, 27265, 31160, 31445, 43624, 44023, 46340, 50312, 54284, 54530, 62890, 67855, 88046, 92680, 94997, 108568, 109060, 125780, 135710, 176092, 189994, 218120, 220115, 251560, 257849, 271420, 352184, 379988, 440230, 474985, 515698, 542840, 759976, 880460, 949970, 1031396, 1289245, 1760920, 1804943, 1899940, 2062792, 2578490, 3609886, 3799880, 5156980, 7219772, 9024715, 10313960, 14439544, 18049430, 36098860, 72197720]

約数ペア:

[(1, 72197720), (2, 36098860), (4, 18049430), (5, 14439544), (7, 10313960), (8, 9024715), (10, 7219772), (14, 5156980), (19, 3799880), (20, 3609886), (28, 2578490), (35, 2062792), (38, 1899940), (40, 1804943), (41, 1760920), (56, 1289245), (70, 1031396), (76, 949970), (82, 880460), (95, 759976), (133, 542840), (140, 515698), (152, 474985), (164, 440230), (190, 379988), (205, 352184), (266, 271420), (280, 257849), (287, 251560), (328, 220115), (331, 218120), (380, 189994), (410, 176092), (532, 135710), (574, 125780), (662, 109060), (665, 108568), (760, 94997), (779, 92680), (820, 88046), (1064, 67855), (1148, 62890), (1324, 54530), (1330, 54284), (1435, 50312), (1558, 46340), (1640, 44023), (1655, 43624), (2296, 31445), (2317, 31160), (2648, 27265), (2660, 27142), (2870, 25156), (3116, 23170), (3310, 21812), (3895, 18536), (4634, 15580), (5320, 13571), (5453, 13240), (5740, 12578), (6232, 11585), (6289, 11480), (6620, 10906), (7790, 9268)]