204665720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 256

約数和(自身を含む): 613785600

約数和(自身を除く): 409119880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 31, 34, 35, 38, 40, 56, 62, 68, 70, 73, 76, 85, 95, 119, 124, 133, 136, 140, 146, 152, 155, 170, 190, 217, 238, 248, 266, 280, 292, 310, 323, 340, 365, 380, 434, 476, 511, 527, 532, 584, 589, 595, 620, 646, 665, 680, 730, 760, 868, 952, 1022, 1054, 1064, 1085, 1178, 1190, 1240, 1241, 1292, 1330, 1387, 1460, 1615, 1736, 2044, 2108, 2170, 2261, 2263, 2356, 2380, 2482, 2555, 2584, 2635, 2660, 2774, 2920, 2945, 3230, 3689, 4088, 4123, 4216, 4340, 4522, 4526, 4712, 4760, 4964, 5110, 5270, 5320, 5548, 5890, 6205, 6460, 6935, 7378, 8246, 8680, 8687, 9044, 9052, 9709, 9928, 10013, 10220, 10540, 11096, 11305, 11315, 11780, 12410, 12920, 13870, 14756, 15841, 16492, 17374, 18088, 18104, 18445, 19418, 20026, 20440, 20615, 21080, 22610, 22630, 23560, 23579, 24820, 27740, 29512, 31682, 32984, 34748, 36890, 38471, 38836, 40052, 41230, 42997, 43435, 45220, 45260, 47158, 48545, 49640, 50065, 55480, 63364, 69496, 70091, 73780, 76942, 77672, 79205, 80104, 82460, 85994, 86870, 90440, 90520, 94316, 97090, 100130, 117895, 126728, 140182, 147560, 153884, 158410, 164920, 165053, 171988, 173740, 188632, 192355, 194180, 200260, 214985, 235790, 269297, 280364, 300979, 307768, 316820, 330106, 343976, 347480, 350455, 384710, 388360, 400520, 429970, 471580, 538594, 560728, 601958, 633640, 660212, 700910, 730949, 769420, 825265, 859940, 943160, 1077188, 1203916, 1320424, 1346485, 1401820, 1461898, 1504895, 1538840, 1650530, 1719880, 2154376, 2407832, 2692970, 2803640, 2923796, 3009790, 3301060, 3654745, 5116643, 5385940, 5847592, 6019580, 6602120, 7309490, 10233286, 10771880, 12039160, 14618980, 20466572, 25583215, 29237960, 40933144, 51166430, 102332860, 204665720]

約数ペア:

[(1, 204665720), (2, 102332860), (4, 51166430), (5, 40933144), (7, 29237960), (8, 25583215), (10, 20466572), (14, 14618980), (17, 12039160), (19, 10771880), (20, 10233286), (28, 7309490), (31, 6602120), (34, 6019580), (35, 5847592), (38, 5385940), (40, 5116643), (56, 3654745), (62, 3301060), (68, 3009790), (70, 2923796), (73, 2803640), (76, 2692970), (85, 2407832), (95, 2154376), (119, 1719880), (124, 1650530), (133, 1538840), (136, 1504895), (140, 1461898), (146, 1401820), (152, 1346485), (155, 1320424), (170, 1203916), (190, 1077188), (217, 943160), (238, 859940), (248, 825265), (266, 769420), (280, 730949), (292, 700910), (310, 660212), (323, 633640), (340, 601958), (365, 560728), (380, 538594), (434, 471580), (476, 429970), (511, 400520), (527, 388360), (532, 384710), (584, 350455), (589, 347480), (595, 343976), (620, 330106), (646, 316820), (665, 307768), (680, 300979), (730, 280364), (760, 269297), (868, 235790), (952, 214985), (1022, 200260), (1054, 194180), (1064, 192355), (1085, 188632), (1178, 173740), (1190, 171988), (1240, 165053), (1241, 164920), (1292, 158410), (1330, 153884), (1387, 147560), (1460, 140182), (1615, 126728), (1736, 117895), (2044, 100130), (2108, 97090), (2170, 94316), (2261, 90520), (2263, 90440), (2356, 86870), (2380, 85994), (2482, 82460), (2555, 80104), (2584, 79205), (2635, 77672), (2660, 76942), (2774, 73780), (2920, 70091), (2945, 69496), (3230, 63364), (3689, 55480), (4088, 50065), (4123, 49640), (4216, 48545), (4340, 47158), (4522, 45260), (4526, 45220), (4712, 43435), (4760, 42997), (4964, 41230), (5110, 40052), (5270, 38836), (5320, 38471), (5548, 36890), (5890, 34748), (6205, 32984), (6460, 31682), (6935, 29512), (7378, 27740), (8246, 24820), (8680, 23579), (8687, 23560), (9044, 22630), (9052, 22610), (9709, 21080), (9928, 20615), (10013, 20440), (10220, 20026), (10540, 19418), (11096, 18445), (11305, 18104), (11315, 18088), (11780, 17374), (12410, 16492), (12920, 15841), (13870, 14756)]