320574100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 288

約数和(自身を含む): 959938560

約数和(自身を除く): 639364460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 31, 34, 35, 44, 50, 55, 62, 68, 70, 77, 79, 85, 100, 110, 119, 124, 140, 154, 155, 158, 170, 175, 187, 217, 220, 238, 275, 308, 310, 316, 340, 341, 350, 374, 385, 395, 425, 434, 476, 527, 550, 553, 595, 620, 682, 700, 748, 770, 775, 790, 850, 868, 869, 935, 1054, 1085, 1100, 1106, 1190, 1309, 1343, 1364, 1540, 1550, 1580, 1700, 1705, 1738, 1870, 1925, 1975, 2108, 2170, 2212, 2380, 2387, 2449, 2618, 2635, 2686, 2765, 2975, 3100, 3410, 3476, 3689, 3740, 3850, 3950, 4340, 4345, 4675, 4774, 4898, 5236, 5270, 5372, 5425, 5530, 5797, 5950, 6083, 6545, 6715, 6820, 7378, 7700, 7900, 8525, 8690, 9350, 9401, 9548, 9796, 10540, 10850, 11060, 11594, 11900, 11935, 12166, 12245, 13090, 13175, 13430, 13825, 14756, 14773, 17050, 17143, 17380, 18445, 18700, 18802, 21700, 21725, 23188, 23870, 24332, 24490, 26180, 26350, 26860, 26939, 27650, 28985, 29546, 30415, 32725, 33575, 34100, 34286, 36890, 37604, 40579, 41633, 43450, 47005, 47740, 48980, 52700, 53878, 55300, 57970, 59092, 59675, 60830, 61225, 65450, 67150, 68572, 73780, 73865, 81158, 83266, 85715, 86900, 92225, 94010, 103411, 107756, 115940, 119350, 121660, 122450, 130900, 134300, 134695, 144925, 147730, 152075, 162316, 166532, 171430, 184450, 188020, 188573, 202895, 206822, 208165, 235025, 238700, 244900, 269390, 289850, 291431, 295460, 304150, 342860, 368900, 369325, 377146, 405790, 413644, 416330, 428575, 457963, 470050, 517055, 538780, 579700, 582862, 608300, 673475, 738650, 754292, 811580, 832660, 857150, 915926, 940100, 942865, 1014475, 1034110, 1040825, 1165724, 1346950, 1457155, 1477300, 1714300, 1831852, 1885730, 2028950, 2068220, 2081650, 2289815, 2585275, 2693900, 2914310, 3205741, 3771460, 4057900, 4163300, 4579630, 4714325, 5170550, 5828620, 6411482, 7285775, 9159260, 9428650, 10341100, 11449075, 12822964, 14571550, 16028705, 18857300, 22898150, 29143100, 32057410, 45796300, 64114820, 80143525, 160287050, 320574100]

約数ペア:

[(1, 320574100), (2, 160287050), (4, 80143525), (5, 64114820), (7, 45796300), (10, 32057410), (11, 29143100), (14, 22898150), (17, 18857300), (20, 16028705), (22, 14571550), (25, 12822964), (28, 11449075), (31, 10341100), (34, 9428650), (35, 9159260), (44, 7285775), (50, 6411482), (55, 5828620), (62, 5170550), (68, 4714325), (70, 4579630), (77, 4163300), (79, 4057900), (85, 3771460), (100, 3205741), (110, 2914310), (119, 2693900), (124, 2585275), (140, 2289815), (154, 2081650), (155, 2068220), (158, 2028950), (170, 1885730), (175, 1831852), (187, 1714300), (217, 1477300), (220, 1457155), (238, 1346950), (275, 1165724), (308, 1040825), (310, 1034110), (316, 1014475), (340, 942865), (341, 940100), (350, 915926), (374, 857150), (385, 832660), (395, 811580), (425, 754292), (434, 738650), (476, 673475), (527, 608300), (550, 582862), (553, 579700), (595, 538780), (620, 517055), (682, 470050), (700, 457963), (748, 428575), (770, 416330), (775, 413644), (790, 405790), (850, 377146), (868, 369325), (869, 368900), (935, 342860), (1054, 304150), (1085, 295460), (1100, 291431), (1106, 289850), (1190, 269390), (1309, 244900), (1343, 238700), (1364, 235025), (1540, 208165), (1550, 206822), (1580, 202895), (1700, 188573), (1705, 188020), (1738, 184450), (1870, 171430), (1925, 166532), (1975, 162316), (2108, 152075), (2170, 147730), (2212, 144925), (2380, 134695), (2387, 134300), (2449, 130900), (2618, 122450), (2635, 121660), (2686, 119350), (2765, 115940), (2975, 107756), (3100, 103411), (3410, 94010), (3476, 92225), (3689, 86900), (3740, 85715), (3850, 83266), (3950, 81158), (4340, 73865), (4345, 73780), (4675, 68572), (4774, 67150), (4898, 65450), (5236, 61225), (5270, 60830), (5372, 59675), (5425, 59092), (5530, 57970), (5797, 55300), (5950, 53878), (6083, 52700), (6545, 48980), (6715, 47740), (6820, 47005), (7378, 43450), (7700, 41633), (7900, 40579), (8525, 37604), (8690, 36890), (9350, 34286), (9401, 34100), (9548, 33575), (9796, 32725), (10540, 30415), (10850, 29546), (11060, 28985), (11594, 27650), (11900, 26939), (11935, 26860), (12166, 26350), (12245, 26180), (13090, 24490), (13175, 24332), (13430, 23870), (13825, 23188), (14756, 21725), (14773, 21700), (17050, 18802), (17143, 18700), (17380, 18445)]