72064720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 160

約数和(自身を含む): 217486080

約数和(自身を除く): 145421360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 521, 532, 560, 665, 728, 760, 910, 988, 1040, 1042, 1064, 1235, 1330, 1456, 1520, 1729, 1820, 1976, 2084, 2128, 2470, 2605, 2660, 3458, 3640, 3647, 3952, 4168, 4940, 5210, 5320, 6773, 6916, 7280, 7294, 8336, 8645, 9880, 9899, 10420, 10640, 13546, 13832, 14588, 17290, 18235, 19760, 19798, 20840, 27092, 27664, 29176, 33865, 34580, 36470, 39596, 41680, 47411, 49495, 54184, 58352, 67730, 69160, 69293, 72940, 79192, 94822, 98990, 108368, 128687, 135460, 138320, 138586, 145880, 158384, 189644, 197980, 237055, 257374, 270920, 277172, 291760, 346465, 379288, 395960, 474110, 514748, 541840, 554344, 643435, 692930, 758576, 791920, 900809, 948220, 1029496, 1108688, 1286870, 1385860, 1801618, 1896440, 2058992, 2573740, 2771720, 3603236, 3792880, 4504045, 5147480, 5543440, 7206472, 9008090, 10294960, 14412944, 18016180, 36032360, 72064720]

約数ペア:

[(1, 72064720), (2, 36032360), (4, 18016180), (5, 14412944), (7, 10294960), (8, 9008090), (10, 7206472), (13, 5543440), (14, 5147480), (16, 4504045), (19, 3792880), (20, 3603236), (26, 2771720), (28, 2573740), (35, 2058992), (38, 1896440), (40, 1801618), (52, 1385860), (56, 1286870), (65, 1108688), (70, 1029496), (76, 948220), (80, 900809), (91, 791920), (95, 758576), (104, 692930), (112, 643435), (130, 554344), (133, 541840), (140, 514748), (152, 474110), (182, 395960), (190, 379288), (208, 346465), (247, 291760), (260, 277172), (266, 270920), (280, 257374), (304, 237055), (364, 197980), (380, 189644), (455, 158384), (494, 145880), (520, 138586), (521, 138320), (532, 135460), (560, 128687), (665, 108368), (728, 98990), (760, 94822), (910, 79192), (988, 72940), (1040, 69293), (1042, 69160), (1064, 67730), (1235, 58352), (1330, 54184), (1456, 49495), (1520, 47411), (1729, 41680), (1820, 39596), (1976, 36470), (2084, 34580), (2128, 33865), (2470, 29176), (2605, 27664), (2660, 27092), (3458, 20840), (3640, 19798), (3647, 19760), (3952, 18235), (4168, 17290), (4940, 14588), (5210, 13832), (5320, 13546), (6773, 10640), (6916, 10420), (7280, 9899), (7294, 9880), (8336, 8645)]