281309880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:1993

約数の個数: 128

約数和(自身を含む): 906292800

約数和(自身を除く): 624982920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 73, 85, 102, 120, 136, 146, 170, 204, 219, 255, 292, 340, 365, 408, 438, 510, 584, 680, 730, 876, 1020, 1095, 1241, 1460, 1752, 1889, 2040, 2190, 2482, 2920, 3723, 3778, 4380, 4964, 5667, 6205, 7446, 7556, 8760, 9445, 9928, 11334, 12410, 14892, 15112, 18615, 18890, 22668, 24820, 28335, 29784, 32113, 37230, 37780, 45336, 49640, 56670, 64226, 74460, 75560, 96339, 113340, 128452, 137897, 148920, 160565, 192678, 226680, 256904, 275794, 321130, 385356, 413691, 481695, 551588, 642260, 689485, 770712, 827382, 963390, 1103176, 1284520, 1378970, 1654764, 1926780, 2068455, 2344249, 2757940, 3309528, 3853560, 4136910, 4688498, 5515880, 7032747, 8273820, 9376996, 11721245, 14065494, 16547640, 18753992, 23442490, 28130988, 35163735, 46884980, 56261976, 70327470, 93769960, 140654940, 281309880]

約数ペア:

[(1, 281309880), (2, 140654940), (3, 93769960), (4, 70327470), (5, 56261976), (6, 46884980), (8, 35163735), (10, 28130988), (12, 23442490), (15, 18753992), (17, 16547640), (20, 14065494), (24, 11721245), (30, 9376996), (34, 8273820), (40, 7032747), (51, 5515880), (60, 4688498), (68, 4136910), (73, 3853560), (85, 3309528), (102, 2757940), (120, 2344249), (136, 2068455), (146, 1926780), (170, 1654764), (204, 1378970), (219, 1284520), (255, 1103176), (292, 963390), (340, 827382), (365, 770712), (408, 689485), (438, 642260), (510, 551588), (584, 481695), (680, 413691), (730, 385356), (876, 321130), (1020, 275794), (1095, 256904), (1241, 226680), (1460, 192678), (1752, 160565), (1889, 148920), (2040, 137897), (2190, 128452), (2482, 113340), (2920, 96339), (3723, 75560), (3778, 74460), (4380, 64226), (4964, 56670), (5667, 49640), (6205, 45336), (7446, 37780), (7556, 37230), (8760, 32113), (9445, 29784), (9928, 28335), (11334, 24820), (12410, 22668), (14892, 18890), (15112, 18615)]