1540234020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1974659}}^1$

素因数の和:1974684

約数の個数: 48

約数和(自身を含む): 4644400320

約数和(自身を除く): 3104166300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1974659, 3949318, 5923977, 7898636, 9873295, 11847954, 19746590, 23695908, 25670567, 29619885, 39493180, 51341134, 59239770, 77011701, 102682268, 118479540, 128352835, 154023402, 256705670, 308046804, 385058505, 513411340, 770117010, 1540234020]

約数ペア:

[(1, 1540234020), (2, 770117010), (3, 513411340), (4, 385058505), (5, 308046804), (6, 256705670), (10, 154023402), (12, 128352835), (13, 118479540), (15, 102682268), (20, 77011701), (26, 59239770), (30, 51341134), (39, 39493180), (52, 29619885), (60, 25670567), (65, 23695908), (78, 19746590), (130, 11847954), (156, 9873295), (195, 7898636), (260, 5923977), (390, 3949318), (780, 1974659)]