128299980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 377395200

約数和(自身を除く): 249095220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 239, 276, 345, 389, 460, 478, 690, 717, 778, 956, 1167, 1195, 1380, 1434, 1556, 1945, 2334, 2390, 2868, 3585, 3890, 4668, 4780, 5497, 5835, 7170, 7780, 8947, 10994, 11670, 14340, 16491, 17894, 21988, 23340, 26841, 27485, 32982, 35788, 44735, 53682, 54970, 65964, 82455, 89470, 92971, 107364, 109940, 134205, 164910, 178940, 185942, 268410, 278913, 329820, 371884, 464855, 536820, 557826, 929710, 1115652, 1394565, 1859420, 2138333, 2789130, 4276666, 5578260, 6414999, 8553332, 10691665, 12829998, 21383330, 25659996, 32074995, 42766660, 64149990, 128299980]

約数ペア:

[(1, 128299980), (2, 64149990), (3, 42766660), (4, 32074995), (5, 25659996), (6, 21383330), (10, 12829998), (12, 10691665), (15, 8553332), (20, 6414999), (23, 5578260), (30, 4276666), (46, 2789130), (60, 2138333), (69, 1859420), (92, 1394565), (115, 1115652), (138, 929710), (230, 557826), (239, 536820), (276, 464855), (345, 371884), (389, 329820), (460, 278913), (478, 268410), (690, 185942), (717, 178940), (778, 164910), (956, 134205), (1167, 109940), (1195, 107364), (1380, 92971), (1434, 89470), (1556, 82455), (1945, 65964), (2334, 54970), (2390, 53682), (2868, 44735), (3585, 35788), (3890, 32982), (4668, 27485), (4780, 26841), (5497, 23340), (5835, 21988), (7170, 17894), (7780, 16491), (8947, 14340), (10994, 11670)]