18990657960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{13597}}^1$

素因数の和:13827

約数の個数: 128

約数和(自身を含む): 58038439680

約数和(自身を除く): 39047781720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 113, 120, 206, 226, 309, 339, 412, 452, 515, 565, 618, 678, 824, 904, 1030, 1130, 1236, 1356, 1545, 1695, 2060, 2260, 2472, 2712, 3090, 3390, 4120, 4520, 6180, 6780, 11639, 12360, 13560, 13597, 23278, 27194, 34917, 40791, 46556, 54388, 58195, 67985, 69834, 81582, 93112, 108776, 116390, 135970, 139668, 163164, 174585, 203955, 232780, 271940, 279336, 326328, 349170, 407910, 465560, 543880, 698340, 815820, 1396680, 1400491, 1536461, 1631640, 2800982, 3072922, 4201473, 4609383, 5601964, 6145844, 7002455, 7682305, 8402946, 9218766, 11203928, 12291688, 14004910, 15364610, 16805892, 18437532, 21007365, 23046915, 28009820, 30729220, 33611784, 36875064, 42014730, 46093830, 56019640, 61458440, 84029460, 92187660, 158255483, 168058920, 184375320, 316510966, 474766449, 633021932, 791277415, 949532898, 1266043864, 1582554830, 1899065796, 2373832245, 3165109660, 3798131592, 4747664490, 6330219320, 9495328980, 18990657960]

約数ペア:

[(1, 18990657960), (2, 9495328980), (3, 6330219320), (4, 4747664490), (5, 3798131592), (6, 3165109660), (8, 2373832245), (10, 1899065796), (12, 1582554830), (15, 1266043864), (20, 949532898), (24, 791277415), (30, 633021932), (40, 474766449), (60, 316510966), (103, 184375320), (113, 168058920), (120, 158255483), (206, 92187660), (226, 84029460), (309, 61458440), (339, 56019640), (412, 46093830), (452, 42014730), (515, 36875064), (565, 33611784), (618, 30729220), (678, 28009820), (824, 23046915), (904, 21007365), (1030, 18437532), (1130, 16805892), (1236, 15364610), (1356, 14004910), (1545, 12291688), (1695, 11203928), (2060, 9218766), (2260, 8402946), (2472, 7682305), (2712, 7002455), (3090, 6145844), (3390, 5601964), (4120, 4609383), (4520, 4201473), (6180, 3072922), (6780, 2800982), (11639, 1631640), (12360, 1536461), (13560, 1400491), (13597, 1396680), (23278, 815820), (27194, 698340), (34917, 543880), (40791, 465560), (46556, 407910), (54388, 349170), (58195, 326328), (67985, 279336), (69834, 271940), (81582, 232780), (93112, 203955), (108776, 174585), (116390, 163164), (135970, 139668)]