161672980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 423642240

約数和(自身を除く): 261969260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 59, 70, 74, 92, 115, 118, 140, 148, 161, 185, 230, 236, 259, 295, 322, 370, 413, 460, 518, 529, 590, 644, 740, 805, 826, 851, 1036, 1058, 1180, 1295, 1357, 1610, 1652, 1702, 2065, 2116, 2183, 2590, 2645, 2714, 3220, 3404, 3703, 4130, 4255, 4366, 5180, 5290, 5428, 5957, 6785, 7406, 8260, 8510, 8732, 9499, 10580, 10915, 11914, 13570, 14812, 15281, 17020, 18515, 18998, 19573, 21830, 23828, 27140, 29785, 30562, 31211, 37030, 37996, 39146, 43660, 47495, 50209, 59570, 61124, 62422, 74060, 76405, 78292, 94990, 97865, 100418, 119140, 124844, 137011, 152810, 156055, 189980, 195730, 200836, 218477, 251045, 274022, 305620, 312110, 351463, 391460, 436954, 502090, 548044, 624220, 685055, 702926, 873908, 1004180, 1092385, 1154807, 1370110, 1405852, 1757315, 2184770, 2309614, 2740220, 3514630, 4369540, 4619228, 5774035, 7029260, 8083649, 11548070, 16167298, 23096140, 32334596, 40418245, 80836490, 161672980]

約数ペア:

[(1, 161672980), (2, 80836490), (4, 40418245), (5, 32334596), (7, 23096140), (10, 16167298), (14, 11548070), (20, 8083649), (23, 7029260), (28, 5774035), (35, 4619228), (37, 4369540), (46, 3514630), (59, 2740220), (70, 2309614), (74, 2184770), (92, 1757315), (115, 1405852), (118, 1370110), (140, 1154807), (148, 1092385), (161, 1004180), (185, 873908), (230, 702926), (236, 685055), (259, 624220), (295, 548044), (322, 502090), (370, 436954), (413, 391460), (460, 351463), (518, 312110), (529, 305620), (590, 274022), (644, 251045), (740, 218477), (805, 200836), (826, 195730), (851, 189980), (1036, 156055), (1058, 152810), (1180, 137011), (1295, 124844), (1357, 119140), (1610, 100418), (1652, 97865), (1702, 94990), (2065, 78292), (2116, 76405), (2183, 74060), (2590, 62422), (2645, 61124), (2714, 59570), (3220, 50209), (3404, 47495), (3703, 43660), (4130, 39146), (4255, 37996), (4366, 37030), (5180, 31211), (5290, 30562), (5428, 29785), (5957, 27140), (6785, 23828), (7406, 21830), (8260, 19573), (8510, 18998), (8732, 18515), (9499, 17020), (10580, 15281), (10915, 14812), (11914, 13570)]