689939640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 256

約数和(自身を含む): 2500444800

約数和(自身を除く): 1810505160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 157, 180, 195, 216, 234, 260, 270, 312, 313, 314, 351, 360, 390, 468, 471, 520, 540, 585, 626, 628, 702, 780, 785, 936, 939, 942, 1080, 1170, 1252, 1256, 1404, 1413, 1560, 1565, 1570, 1755, 1878, 1884, 2041, 2340, 2355, 2504, 2808, 2817, 2826, 3130, 3140, 3510, 3756, 3768, 4069, 4082, 4239, 4680, 4695, 4710, 5634, 5652, 6123, 6260, 6280, 7020, 7065, 7512, 8138, 8164, 8451, 8478, 9390, 9420, 10205, 11268, 11304, 12207, 12246, 12520, 14040, 14085, 14130, 16276, 16328, 16902, 16956, 18369, 18780, 18840, 20345, 20410, 21195, 22536, 24414, 24492, 28170, 28260, 30615, 32552, 33804, 33912, 36621, 36738, 37560, 40690, 40820, 42255, 42390, 48828, 48984, 49141, 55107, 56340, 56520, 61035, 61230, 67608, 73242, 73476, 81380, 81640, 84510, 84780, 91845, 97656, 98282, 109863, 110214, 112680, 122070, 122460, 146484, 146952, 147423, 162760, 169020, 169560, 183105, 183690, 196564, 219726, 220428, 244140, 244920, 245705, 275535, 292968, 294846, 338040, 366210, 367380, 393128, 439452, 440856, 442269, 488280, 491410, 549315, 551070, 589692, 638833, 732420, 734760, 737115, 878904, 884538, 982820, 1098630, 1102140, 1179384, 1277666, 1326807, 1464840, 1474230, 1769076, 1916499, 1965640, 2197260, 2204280, 2211345, 2555332, 2653614, 2948460, 3194165, 3538152, 3832998, 4394520, 4422690, 5110664, 5307228, 5749497, 5896920, 6388330, 6634035, 7665996, 8845380, 9582495, 10614456, 11498994, 12776660, 13268070, 15331992, 17248491, 17690760, 19164990, 22997988, 25553320, 26536140, 28747485, 34496982, 38329980, 45995976, 53072280, 57494970, 68993964, 76659960, 86242455, 114989940, 137987928, 172484910, 229979880, 344969820, 689939640]

約数ペア:

[(1, 689939640), (2, 344969820), (3, 229979880), (4, 172484910), (5, 137987928), (6, 114989940), (8, 86242455), (9, 76659960), (10, 68993964), (12, 57494970), (13, 53072280), (15, 45995976), (18, 38329980), (20, 34496982), (24, 28747485), (26, 26536140), (27, 25553320), (30, 22997988), (36, 19164990), (39, 17690760), (40, 17248491), (45, 15331992), (52, 13268070), (54, 12776660), (60, 11498994), (65, 10614456), (72, 9582495), (78, 8845380), (90, 7665996), (104, 6634035), (108, 6388330), (117, 5896920), (120, 5749497), (130, 5307228), (135, 5110664), (156, 4422690), (157, 4394520), (180, 3832998), (195, 3538152), (216, 3194165), (234, 2948460), (260, 2653614), (270, 2555332), (312, 2211345), (313, 2204280), (314, 2197260), (351, 1965640), (360, 1916499), (390, 1769076), (468, 1474230), (471, 1464840), (520, 1326807), (540, 1277666), (585, 1179384), (626, 1102140), (628, 1098630), (702, 982820), (780, 884538), (785, 878904), (936, 737115), (939, 734760), (942, 732420), (1080, 638833), (1170, 589692), (1252, 551070), (1256, 549315), (1404, 491410), (1413, 488280), (1560, 442269), (1565, 440856), (1570, 439452), (1755, 393128), (1878, 367380), (1884, 366210), (2041, 338040), (2340, 294846), (2355, 292968), (2504, 275535), (2808, 245705), (2817, 244920), (2826, 244140), (3130, 220428), (3140, 219726), (3510, 196564), (3756, 183690), (3768, 183105), (4069, 169560), (4082, 169020), (4239, 162760), (4680, 147423), (4695, 146952), (4710, 146484), (5634, 122460), (5652, 122070), (6123, 112680), (6260, 110214), (6280, 109863), (7020, 98282), (7065, 97656), (7512, 91845), (8138, 84780), (8164, 84510), (8451, 81640), (8478, 81380), (9390, 73476), (9420, 73242), (10205, 67608), (11268, 61230), (11304, 61035), (12207, 56520), (12246, 56340), (12520, 55107), (14040, 49141), (14085, 48984), (14130, 48828), (16276, 42390), (16328, 42255), (16902, 40820), (16956, 40690), (18369, 37560), (18780, 36738), (18840, 36621), (20345, 33912), (20410, 33804), (21195, 32552), (22536, 30615), (24414, 28260), (24492, 28170)]