71919540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5189}}^1$

素因数の和:5222

約数の個数: 144

約数和(自身を含む): 272039040

約数和(自身を除く): 200119500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 5189, 6930, 10378, 13860, 15567, 20756, 25945, 31134, 36323, 46701, 51890, 57079, 62268, 72646, 77835, 93402, 103780, 108969, 114158, 145292, 155670, 171237, 181615, 186804, 217938, 228316, 233505, 285395, 311340, 326907, 342474, 363230, 399553, 435876, 467010, 513711, 544845, 570790, 653814, 684948, 726460, 799106, 856185, 934020, 1027422, 1089690, 1141580, 1198659, 1307628, 1598212, 1634535, 1712370, 1997765, 2054844, 2179380, 2397318, 2568555, 3269070, 3424740, 3595977, 3995530, 4794636, 5137110, 5993295, 6538140, 7191954, 7991060, 10274220, 11986590, 14383908, 17979885, 23973180, 35959770, 71919540]

約数ペア:

[(1, 71919540), (2, 35959770), (3, 23973180), (4, 17979885), (5, 14383908), (6, 11986590), (7, 10274220), (9, 7991060), (10, 7191954), (11, 6538140), (12, 5993295), (14, 5137110), (15, 4794636), (18, 3995530), (20, 3595977), (21, 3424740), (22, 3269070), (28, 2568555), (30, 2397318), (33, 2179380), (35, 2054844), (36, 1997765), (42, 1712370), (44, 1634535), (45, 1598212), (55, 1307628), (60, 1198659), (63, 1141580), (66, 1089690), (70, 1027422), (77, 934020), (84, 856185), (90, 799106), (99, 726460), (105, 684948), (110, 653814), (126, 570790), (132, 544845), (140, 513711), (154, 467010), (165, 435876), (180, 399553), (198, 363230), (210, 342474), (220, 326907), (231, 311340), (252, 285395), (308, 233505), (315, 228316), (330, 217938), (385, 186804), (396, 181615), (420, 171237), (462, 155670), (495, 145292), (630, 114158), (660, 108969), (693, 103780), (770, 93402), (924, 77835), (990, 72646), (1155, 62268), (1260, 57079), (1386, 51890), (1540, 46701), (1980, 36323), (2310, 31134), (2772, 25945), (3465, 20756), (4620, 15567), (5189, 13860), (6930, 10378)]