28949640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 96111360

約数和(自身を除く): 67161720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 617, 680, 690, 782, 920, 1020, 1173, 1234, 1380, 1564, 1851, 1955, 2040, 2346, 2468, 2760, 3085, 3128, 3702, 3910, 4692, 4936, 5865, 6170, 7404, 7820, 9255, 9384, 10489, 11730, 12340, 14191, 14808, 15640, 18510, 20978, 23460, 24680, 28382, 31467, 37020, 41956, 42573, 46920, 52445, 56764, 62934, 70955, 74040, 83912, 85146, 104890, 113528, 125868, 141910, 157335, 170292, 209780, 212865, 241247, 251736, 283820, 314670, 340584, 419560, 425730, 482494, 567640, 629340, 723741, 851460, 964988, 1206235, 1258680, 1447482, 1702920, 1929976, 2412470, 2894964, 3618705, 4824940, 5789928, 7237410, 9649880, 14474820, 28949640]

約数ペア:

[(1, 28949640), (2, 14474820), (3, 9649880), (4, 7237410), (5, 5789928), (6, 4824940), (8, 3618705), (10, 2894964), (12, 2412470), (15, 1929976), (17, 1702920), (20, 1447482), (23, 1258680), (24, 1206235), (30, 964988), (34, 851460), (40, 723741), (46, 629340), (51, 567640), (60, 482494), (68, 425730), (69, 419560), (85, 340584), (92, 314670), (102, 283820), (115, 251736), (120, 241247), (136, 212865), (138, 209780), (170, 170292), (184, 157335), (204, 141910), (230, 125868), (255, 113528), (276, 104890), (340, 85146), (345, 83912), (391, 74040), (408, 70955), (460, 62934), (510, 56764), (552, 52445), (617, 46920), (680, 42573), (690, 41956), (782, 37020), (920, 31467), (1020, 28382), (1173, 24680), (1234, 23460), (1380, 20978), (1564, 18510), (1851, 15640), (1955, 14808), (2040, 14191), (2346, 12340), (2468, 11730), (2760, 10489), (3085, 9384), (3128, 9255), (3702, 7820), (3910, 7404), (4692, 6170), (4936, 5865)]