18181799880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1823}}^1\times {\mathrm{4889}}^1$

素因数の和:6743

約数の個数: 128

約数和(自身を含む): 57797452800

約数和(自身を除く): 39615652920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 1823, 2040, 3646, 4889, 5469, 7292, 9115, 9778, 10938, 14584, 14667, 18230, 19556, 21876, 24445, 27345, 29334, 30991, 36460, 39112, 43752, 48890, 54690, 58668, 61982, 72920, 73335, 83113, 92973, 97780, 109380, 117336, 123964, 146670, 154955, 166226, 185946, 195560, 218760, 247928, 249339, 293340, 309910, 332452, 371892, 415565, 464865, 498678, 586680, 619820, 664904, 743784, 831130, 929730, 997356, 1239640, 1246695, 1662260, 1859460, 1994712, 2493390, 3324520, 3718920, 4986780, 8912647, 9973560, 17825294, 26737941, 35650588, 44563235, 53475882, 71301176, 89126470, 106951764, 133689705, 151514999, 178252940, 213903528, 267379410, 303029998, 356505880, 454544997, 534758820, 606059996, 757574995, 909089994, 1069517640, 1212119992, 1515149990, 1818179988, 2272724985, 3030299980, 3636359976, 4545449970, 6060599960, 9090899940, 18181799880]

約数ペア:

[(1, 18181799880), (2, 9090899940), (3, 6060599960), (4, 4545449970), (5, 3636359976), (6, 3030299980), (8, 2272724985), (10, 1818179988), (12, 1515149990), (15, 1212119992), (17, 1069517640), (20, 909089994), (24, 757574995), (30, 606059996), (34, 534758820), (40, 454544997), (51, 356505880), (60, 303029998), (68, 267379410), (85, 213903528), (102, 178252940), (120, 151514999), (136, 133689705), (170, 106951764), (204, 89126470), (255, 71301176), (340, 53475882), (408, 44563235), (510, 35650588), (680, 26737941), (1020, 17825294), (1823, 9973560), (2040, 8912647), (3646, 4986780), (4889, 3718920), (5469, 3324520), (7292, 2493390), (9115, 1994712), (9778, 1859460), (10938, 1662260), (14584, 1246695), (14667, 1239640), (18230, 997356), (19556, 929730), (21876, 831130), (24445, 743784), (27345, 664904), (29334, 619820), (30991, 586680), (36460, 498678), (39112, 464865), (43752, 415565), (48890, 371892), (54690, 332452), (58668, 309910), (61982, 293340), (72920, 249339), (73335, 247928), (83113, 218760), (92973, 195560), (97780, 185946), (109380, 166226), (117336, 154955), (123964, 146670)]