156979821975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{761}}^1$

素因数の和:1146

約数の個数: 144

約数和(自身を含む): 285901034496

約数和(自身を除く): 128921212521

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 289, 307, 425, 465, 527, 761, 775, 867, 921, 1275, 1445, 1535, 1581, 2283, 2325, 2635, 3805, 4335, 4605, 5219, 7225, 7675, 7905, 8959, 9517, 11415, 12937, 13175, 15657, 19025, 21675, 23025, 23591, 26095, 26877, 28551, 38811, 39525, 44795, 47585, 57075, 64685, 70773, 78285, 88723, 117955, 130475, 134385, 142755, 161789, 194055, 219929, 223975, 233627, 237925, 266169, 323425, 353865, 391425, 401047, 443615, 485367, 589775, 659787, 671925, 700881, 713775, 808945, 970275, 1099645, 1168135, 1203141, 1330845, 1769325, 2005235, 2218075, 2426835, 2750413, 3298935, 3504405, 3971659, 4044725, 5498225, 5840675, 6015705, 6654225, 6817799, 7242437, 8251239, 10026175, 11914977, 12134175, 13752065, 16494675, 17522025, 19858295, 20453397, 21727311, 30078525, 34088995, 36212185, 41256195, 59574885, 67518203, 68760325, 99291475, 102266985, 108636555, 123121429, 170444975, 181060925, 202554609, 206280975, 297874425, 337591015, 369364287, 511334925, 543182775, 615607145, 1012773045, 1687955075, 1846821435, 2093064293, 3078035725, 5063865225, 6279192879, 9234107175, 10465321465, 31395964395, 52326607325, 156979821975]

約数ペア:

[(1, 156979821975), (3, 52326607325), (5, 31395964395), (15, 10465321465), (17, 9234107175), (25, 6279192879), (31, 5063865225), (51, 3078035725), (75, 2093064293), (85, 1846821435), (93, 1687955075), (155, 1012773045), (255, 615607145), (289, 543182775), (307, 511334925), (425, 369364287), (465, 337591015), (527, 297874425), (761, 206280975), (775, 202554609), (867, 181060925), (921, 170444975), (1275, 123121429), (1445, 108636555), (1535, 102266985), (1581, 99291475), (2283, 68760325), (2325, 67518203), (2635, 59574885), (3805, 41256195), (4335, 36212185), (4605, 34088995), (5219, 30078525), (7225, 21727311), (7675, 20453397), (7905, 19858295), (8959, 17522025), (9517, 16494675), (11415, 13752065), (12937, 12134175), (13175, 11914977), (15657, 10026175), (19025, 8251239), (21675, 7242437), (23025, 6817799), (23591, 6654225), (26095, 6015705), (26877, 5840675), (28551, 5498225), (38811, 4044725), (39525, 3971659), (44795, 3504405), (47585, 3298935), (57075, 2750413), (64685, 2426835), (70773, 2218075), (78285, 2005235), (88723, 1769325), (117955, 1330845), (130475, 1203141), (134385, 1168135), (142755, 1099645), (161789, 970275), (194055, 808945), (219929, 713775), (223975, 700881), (233627, 671925), (237925, 659787), (266169, 589775), (323425, 485367), (353865, 443615), (391425, 401047)]