71536140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1656

約数の個数: 144

約数和(自身を含む): 246136800

約数和(自身を除く): 174600660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1609, 1710, 2223, 2340, 2470, 2964, 3218, 3420, 3705, 4446, 4827, 4940, 6436, 7410, 8045, 8892, 9654, 11115, 14481, 14820, 16090, 19308, 20917, 22230, 24135, 28962, 30571, 32180, 41834, 44460, 48270, 57924, 61142, 62751, 72405, 83668, 91713, 96540, 104585, 122284, 125502, 144810, 152855, 183426, 188253, 209170, 251004, 275139, 289620, 305710, 313755, 366852, 376506, 397423, 418340, 458565, 550278, 611420, 627510, 753012, 794846, 917130, 941265, 1100556, 1192269, 1255020, 1375695, 1589692, 1834260, 1882530, 1987115, 2384538, 2751390, 3576807, 3765060, 3974230, 4769076, 5502780, 5961345, 7153614, 7948460, 11922690, 14307228, 17884035, 23845380, 35768070, 71536140]

約数ペア:

[(1, 71536140), (2, 35768070), (3, 23845380), (4, 17884035), (5, 14307228), (6, 11922690), (9, 7948460), (10, 7153614), (12, 5961345), (13, 5502780), (15, 4769076), (18, 3974230), (19, 3765060), (20, 3576807), (26, 2751390), (30, 2384538), (36, 1987115), (38, 1882530), (39, 1834260), (45, 1589692), (52, 1375695), (57, 1255020), (60, 1192269), (65, 1100556), (76, 941265), (78, 917130), (90, 794846), (95, 753012), (114, 627510), (117, 611420), (130, 550278), (156, 458565), (171, 418340), (180, 397423), (190, 376506), (195, 366852), (228, 313755), (234, 305710), (247, 289620), (260, 275139), (285, 251004), (342, 209170), (380, 188253), (390, 183426), (468, 152855), (494, 144810), (570, 125502), (585, 122284), (684, 104585), (741, 96540), (780, 91713), (855, 83668), (988, 72405), (1140, 62751), (1170, 61142), (1235, 57924), (1482, 48270), (1609, 44460), (1710, 41834), (2223, 32180), (2340, 30571), (2470, 28962), (2964, 24135), (3218, 22230), (3420, 20917), (3705, 19308), (4446, 16090), (4827, 14820), (4940, 14481), (6436, 11115), (7410, 9654), (8045, 8892)]