1520121260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 3698472960

約数和(自身を除く): 2178351700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 239, 251, 362, 478, 502, 724, 905, 956, 1004, 1195, 1255, 1267, 1673, 1757, 1810, 2390, 2510, 2534, 3346, 3514, 3620, 4780, 5020, 5068, 6335, 6692, 7028, 8365, 8785, 12670, 16730, 17570, 25340, 33460, 35140, 43259, 45431, 59989, 86518, 90862, 119978, 173036, 181724, 216295, 227155, 239956, 299945, 302813, 318017, 419923, 432590, 454310, 599890, 605626, 636034, 839846, 865180, 908620, 1199780, 1211252, 1272068, 1514065, 1590085, 1679692, 2099615, 3028130, 3180170, 4199230, 6056260, 6360340, 8398460, 10858009, 21716018, 43432036, 54290045, 76006063, 108580090, 152012126, 217160180, 304024252, 380030315, 760060630, 1520121260]

約数ペア:

[(1, 1520121260), (2, 760060630), (4, 380030315), (5, 304024252), (7, 217160180), (10, 152012126), (14, 108580090), (20, 76006063), (28, 54290045), (35, 43432036), (70, 21716018), (140, 10858009), (181, 8398460), (239, 6360340), (251, 6056260), (362, 4199230), (478, 3180170), (502, 3028130), (724, 2099615), (905, 1679692), (956, 1590085), (1004, 1514065), (1195, 1272068), (1255, 1211252), (1267, 1199780), (1673, 908620), (1757, 865180), (1810, 839846), (2390, 636034), (2510, 605626), (2534, 599890), (3346, 454310), (3514, 432590), (3620, 419923), (4780, 318017), (5020, 302813), (5068, 299945), (6335, 239956), (6692, 227155), (7028, 216295), (8365, 181724), (8785, 173036), (12670, 119978), (16730, 90862), (17570, 86518), (25340, 59989), (33460, 45431), (35140, 43259)]