61495980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1648

約数の個数: 144

約数和(自身を含む): 215843040

約数和(自身を除く): 154347060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1609, 1820, 1911, 2548, 2730, 2940, 3185, 3218, 3822, 4827, 5460, 6370, 6436, 7644, 8045, 9555, 9654, 11263, 12740, 16090, 19110, 19308, 20917, 22526, 24135, 32180, 33789, 38220, 41834, 45052, 48270, 56315, 62751, 67578, 78841, 83668, 96540, 104585, 112630, 125502, 135156, 146419, 157682, 168945, 209170, 225260, 236523, 251004, 292838, 313755, 315364, 337890, 394205, 418340, 439257, 473046, 585676, 627510, 675780, 732095, 788410, 878514, 946092, 1024933, 1182615, 1255020, 1464190, 1576820, 1757028, 2049866, 2196285, 2365230, 2928380, 3074799, 4099732, 4392570, 4730460, 5124665, 6149598, 8785140, 10249330, 12299196, 15373995, 20498660, 30747990, 61495980]

約数ペア:

[(1, 61495980), (2, 30747990), (3, 20498660), (4, 15373995), (5, 12299196), (6, 10249330), (7, 8785140), (10, 6149598), (12, 5124665), (13, 4730460), (14, 4392570), (15, 4099732), (20, 3074799), (21, 2928380), (26, 2365230), (28, 2196285), (30, 2049866), (35, 1757028), (39, 1576820), (42, 1464190), (49, 1255020), (52, 1182615), (60, 1024933), (65, 946092), (70, 878514), (78, 788410), (84, 732095), (91, 675780), (98, 627510), (105, 585676), (130, 473046), (140, 439257), (147, 418340), (156, 394205), (182, 337890), (195, 315364), (196, 313755), (210, 292838), (245, 251004), (260, 236523), (273, 225260), (294, 209170), (364, 168945), (390, 157682), (420, 146419), (455, 135156), (490, 125502), (546, 112630), (588, 104585), (637, 96540), (735, 83668), (780, 78841), (910, 67578), (980, 62751), (1092, 56315), (1274, 48270), (1365, 45052), (1470, 41834), (1609, 38220), (1820, 33789), (1911, 32180), (2548, 24135), (2730, 22526), (2940, 20917), (3185, 19308), (3218, 19110), (3822, 16090), (4827, 12740), (5460, 11263), (6370, 9654), (6436, 9555), (7644, 8045)]