18729563880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{264991}}^1$

素因数の和:265055

約数の個数: 128

約数和(自身を含む): 61054156800

約数和(自身を除く): 42324592920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 3534, 3720, 4712, 5890, 7068, 8835, 11780, 14136, 17670, 23560, 35340, 70680, 264991, 529982, 794973, 1059964, 1324955, 1589946, 2119928, 2649910, 3179892, 3974865, 5034829, 5299820, 6359784, 7949730, 8214721, 10069658, 10599640, 15104487, 15899460, 16429442, 20139316, 24644163, 25174145, 30208974, 31798920, 32858884, 40278632, 41073605, 49288326, 50348290, 60417948, 65717768, 75522435, 82147210, 98576652, 100696580, 120835896, 123220815, 151044870, 156079699, 164294420, 197153304, 201393160, 246441630, 302089740, 312159398, 328588840, 468239097, 492883260, 604179480, 624318796, 780398495, 936478194, 985766520, 1248637592, 1560796990, 1872956388, 2341195485, 3121593980, 3745912776, 4682390970, 6243187960, 9364781940, 18729563880]

約数ペア:

[(1, 18729563880), (2, 9364781940), (3, 6243187960), (4, 4682390970), (5, 3745912776), (6, 3121593980), (8, 2341195485), (10, 1872956388), (12, 1560796990), (15, 1248637592), (19, 985766520), (20, 936478194), (24, 780398495), (30, 624318796), (31, 604179480), (38, 492883260), (40, 468239097), (57, 328588840), (60, 312159398), (62, 302089740), (76, 246441630), (93, 201393160), (95, 197153304), (114, 164294420), (120, 156079699), (124, 151044870), (152, 123220815), (155, 120835896), (186, 100696580), (190, 98576652), (228, 82147210), (248, 75522435), (285, 65717768), (310, 60417948), (372, 50348290), (380, 49288326), (456, 41073605), (465, 40278632), (570, 32858884), (589, 31798920), (620, 30208974), (744, 25174145), (760, 24644163), (930, 20139316), (1140, 16429442), (1178, 15899460), (1240, 15104487), (1767, 10599640), (1860, 10069658), (2280, 8214721), (2356, 7949730), (2945, 6359784), (3534, 5299820), (3720, 5034829), (4712, 3974865), (5890, 3179892), (7068, 2649910), (8835, 2119928), (11780, 1589946), (14136, 1324955), (17670, 1059964), (23560, 794973), (35340, 529982), (70680, 264991)]