1608804920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 3891110400

約数和(自身を除く): 2282305480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 107, 115, 118, 184, 214, 230, 236, 277, 295, 428, 460, 472, 535, 554, 590, 856, 920, 1070, 1108, 1180, 1357, 1385, 2140, 2216, 2360, 2461, 2714, 2770, 4280, 4922, 5428, 5540, 6313, 6371, 6785, 9844, 10856, 11080, 12305, 12626, 12742, 13570, 16343, 19688, 24610, 25252, 25484, 27140, 29639, 31565, 31855, 32686, 49220, 50504, 50968, 54280, 59278, 63130, 63710, 65372, 81715, 98440, 118556, 126260, 127420, 130744, 145199, 148195, 163430, 237112, 252520, 254840, 290398, 296390, 326860, 375889, 580796, 592780, 653720, 681697, 725995, 751778, 1161592, 1185560, 1363394, 1451990, 1503556, 1748701, 1879445, 2726788, 2903980, 3007112, 3408485, 3497402, 3758890, 5453576, 5807960, 6816970, 6994804, 7517780, 8743505, 13633940, 13989608, 15035560, 17487010, 27267880, 34974020, 40220123, 69948040, 80440246, 160880492, 201100615, 321760984, 402201230, 804402460, 1608804920]

約数ペア:

[(1, 1608804920), (2, 804402460), (4, 402201230), (5, 321760984), (8, 201100615), (10, 160880492), (20, 80440246), (23, 69948040), (40, 40220123), (46, 34974020), (59, 27267880), (92, 17487010), (107, 15035560), (115, 13989608), (118, 13633940), (184, 8743505), (214, 7517780), (230, 6994804), (236, 6816970), (277, 5807960), (295, 5453576), (428, 3758890), (460, 3497402), (472, 3408485), (535, 3007112), (554, 2903980), (590, 2726788), (856, 1879445), (920, 1748701), (1070, 1503556), (1108, 1451990), (1180, 1363394), (1357, 1185560), (1385, 1161592), (2140, 751778), (2216, 725995), (2360, 681697), (2461, 653720), (2714, 592780), (2770, 580796), (4280, 375889), (4922, 326860), (5428, 296390), (5540, 290398), (6313, 254840), (6371, 252520), (6785, 237112), (9844, 163430), (10856, 148195), (11080, 145199), (12305, 130744), (12626, 127420), (12742, 126260), (13570, 118556), (16343, 98440), (19688, 81715), (24610, 65372), (25252, 63710), (25484, 63130), (27140, 59278), (29639, 54280), (31565, 50968), (31855, 50504), (32686, 49220)]