19500240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2668

約数の個数: 80

約数和(自身を含む): 62424576

約数和(自身を除く): 42924336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2621, 3720, 5242, 7440, 7863, 10484, 13105, 15726, 20968, 26210, 31452, 39315, 41936, 52420, 62904, 78630, 81251, 104840, 125808, 157260, 162502, 209680, 243753, 314520, 325004, 406255, 487506, 629040, 650008, 812510, 975012, 1218765, 1300016, 1625020, 1950024, 2437530, 3250040, 3900048, 4875060, 6500080, 9750120, 19500240]

約数ペア:

[(1, 19500240), (2, 9750120), (3, 6500080), (4, 4875060), (5, 3900048), (6, 3250040), (8, 2437530), (10, 1950024), (12, 1625020), (15, 1300016), (16, 1218765), (20, 975012), (24, 812510), (30, 650008), (31, 629040), (40, 487506), (48, 406255), (60, 325004), (62, 314520), (80, 243753), (93, 209680), (120, 162502), (124, 157260), (155, 125808), (186, 104840), (240, 81251), (248, 78630), (310, 62904), (372, 52420), (465, 41936), (496, 39315), (620, 31452), (744, 26210), (930, 20968), (1240, 15726), (1488, 13105), (1860, 10484), (2480, 7863), (2621, 7440), (3720, 5242)]