72955908

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 209454336

約数和(自身を除く): 136498428

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 71, 73, 92, 102, 138, 142, 146, 153, 204, 207, 213, 219, 276, 284, 292, 306, 391, 414, 426, 438, 612, 639, 657, 782, 828, 852, 876, 1173, 1207, 1241, 1278, 1314, 1564, 1633, 1679, 2346, 2414, 2482, 2556, 2628, 3266, 3358, 3519, 3621, 3723, 4692, 4828, 4899, 4964, 5037, 5183, 6532, 6716, 7038, 7242, 7446, 9798, 10074, 10366, 10863, 11169, 14076, 14484, 14697, 14892, 15111, 15549, 19596, 20148, 20732, 21726, 22338, 27761, 28543, 29394, 30222, 31098, 43452, 44676, 46647, 55522, 57086, 58788, 60444, 62196, 83283, 85629, 88111, 93294, 111044, 114172, 119209, 166566, 171258, 176222, 186588, 238418, 249849, 256887, 264333, 333132, 342516, 352444, 357627, 476836, 499698, 513774, 528666, 715254, 792999, 999396, 1027548, 1057332, 1072881, 1430508, 1585998, 2026553, 2145762, 3171996, 4053106, 4291524, 6079659, 8106212, 12159318, 18238977, 24318636, 36477954, 72955908]

約数ペア:

[(1, 72955908), (2, 36477954), (3, 24318636), (4, 18238977), (6, 12159318), (9, 8106212), (12, 6079659), (17, 4291524), (18, 4053106), (23, 3171996), (34, 2145762), (36, 2026553), (46, 1585998), (51, 1430508), (68, 1072881), (69, 1057332), (71, 1027548), (73, 999396), (92, 792999), (102, 715254), (138, 528666), (142, 513774), (146, 499698), (153, 476836), (204, 357627), (207, 352444), (213, 342516), (219, 333132), (276, 264333), (284, 256887), (292, 249849), (306, 238418), (391, 186588), (414, 176222), (426, 171258), (438, 166566), (612, 119209), (639, 114172), (657, 111044), (782, 93294), (828, 88111), (852, 85629), (876, 83283), (1173, 62196), (1207, 60444), (1241, 58788), (1278, 57086), (1314, 55522), (1564, 46647), (1633, 44676), (1679, 43452), (2346, 31098), (2414, 30222), (2482, 29394), (2556, 28543), (2628, 27761), (3266, 22338), (3358, 21726), (3519, 20732), (3621, 20148), (3723, 19596), (4692, 15549), (4828, 15111), (4899, 14892), (4964, 14697), (5037, 14484), (5183, 14076), (6532, 11169), (6716, 10863), (7038, 10366), (7242, 10074), (7446, 9798)]