72807660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 233356032

約数和(自身を除く): 160548372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 211, 213, 243, 270, 284, 324, 355, 405, 422, 426, 486, 540, 633, 639, 710, 810, 844, 852, 972, 1055, 1065, 1215, 1266, 1278, 1420, 1620, 1899, 1917, 2110, 2130, 2430, 2532, 2556, 3165, 3195, 3798, 3834, 4220, 4260, 4860, 5697, 5751, 6330, 6390, 7596, 7668, 9495, 9585, 11394, 11502, 12660, 12780, 14981, 17091, 17253, 18990, 19170, 22788, 23004, 28485, 28755, 29962, 34182, 34506, 37980, 38340, 44943, 51273, 56970, 57510, 59924, 68364, 69012, 74905, 85455, 86265, 89886, 102546, 113940, 115020, 134829, 149810, 170910, 172530, 179772, 205092, 224715, 256365, 269658, 299620, 341820, 345060, 404487, 449430, 512730, 539316, 674145, 808974, 898860, 1025460, 1213461, 1348290, 1617948, 2022435, 2426922, 2696580, 3640383, 4044870, 4853844, 6067305, 7280766, 8089740, 12134610, 14561532, 18201915, 24269220, 36403830, 72807660]

約数ペア:

[(1, 72807660), (2, 36403830), (3, 24269220), (4, 18201915), (5, 14561532), (6, 12134610), (9, 8089740), (10, 7280766), (12, 6067305), (15, 4853844), (18, 4044870), (20, 3640383), (27, 2696580), (30, 2426922), (36, 2022435), (45, 1617948), (54, 1348290), (60, 1213461), (71, 1025460), (81, 898860), (90, 808974), (108, 674145), (135, 539316), (142, 512730), (162, 449430), (180, 404487), (211, 345060), (213, 341820), (243, 299620), (270, 269658), (284, 256365), (324, 224715), (355, 205092), (405, 179772), (422, 172530), (426, 170910), (486, 149810), (540, 134829), (633, 115020), (639, 113940), (710, 102546), (810, 89886), (844, 86265), (852, 85455), (972, 74905), (1055, 69012), (1065, 68364), (1215, 59924), (1266, 57510), (1278, 56970), (1420, 51273), (1620, 44943), (1899, 38340), (1917, 37980), (2110, 34506), (2130, 34182), (2430, 29962), (2532, 28755), (2556, 28485), (3165, 23004), (3195, 22788), (3798, 19170), (3834, 18990), (4220, 17253), (4260, 17091), (4860, 14981), (5697, 12780), (5751, 12660), (6330, 11502), (6390, 11394), (7596, 9585), (7668, 9495)]