155017580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 359251200

約数和(自身を除く): 204233620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 53, 76, 86, 95, 106, 172, 179, 190, 212, 215, 265, 358, 380, 430, 530, 716, 817, 860, 895, 1007, 1060, 1634, 1790, 2014, 2279, 3268, 3401, 3580, 4028, 4085, 4558, 5035, 6802, 7697, 8170, 9116, 9487, 10070, 11395, 13604, 15394, 16340, 17005, 18974, 20140, 22790, 30788, 34010, 37948, 38485, 43301, 45580, 47435, 68020, 76970, 86602, 94870, 146243, 153940, 173204, 180253, 189740, 216505, 292486, 360506, 407941, 433010, 584972, 721012, 731215, 815882, 866020, 901265, 1462430, 1631764, 1802530, 2039705, 2924860, 3605060, 4079410, 7750879, 8158820, 15501758, 31003516, 38754395, 77508790, 155017580]

約数ペア:

[(1, 155017580), (2, 77508790), (4, 38754395), (5, 31003516), (10, 15501758), (19, 8158820), (20, 7750879), (38, 4079410), (43, 3605060), (53, 2924860), (76, 2039705), (86, 1802530), (95, 1631764), (106, 1462430), (172, 901265), (179, 866020), (190, 815882), (212, 731215), (215, 721012), (265, 584972), (358, 433010), (380, 407941), (430, 360506), (530, 292486), (716, 216505), (817, 189740), (860, 180253), (895, 173204), (1007, 153940), (1060, 146243), (1634, 94870), (1790, 86602), (2014, 76970), (2279, 68020), (3268, 47435), (3401, 45580), (3580, 43301), (4028, 38485), (4085, 37948), (4558, 34010), (5035, 30788), (6802, 22790), (7697, 20140), (8170, 18974), (9116, 17005), (9487, 16340), (10070, 15394), (11395, 13604)]