131891940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2341}}^1$

素因数の和:2669

約数の個数: 72

約数和(自身を含む): 401521848

約数和(自身を除く): 269629908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1252, 1565, 1878, 2341, 2817, 3130, 3756, 4682, 4695, 5634, 6260, 7023, 9364, 9390, 11268, 11705, 14046, 14085, 18780, 21069, 23410, 28092, 28170, 35115, 42138, 46820, 56340, 70230, 84276, 105345, 140460, 210690, 421380, 732733, 1465466, 2198199, 2930932, 3663665, 4396398, 6594597, 7327330, 8792796, 10990995, 13189194, 14654660, 21981990, 26378388, 32972985, 43963980, 65945970, 131891940]

約数ペア:

[(1, 131891940), (2, 65945970), (3, 43963980), (4, 32972985), (5, 26378388), (6, 21981990), (9, 14654660), (10, 13189194), (12, 10990995), (15, 8792796), (18, 7327330), (20, 6594597), (30, 4396398), (36, 3663665), (45, 2930932), (60, 2198199), (90, 1465466), (180, 732733), (313, 421380), (626, 210690), (939, 140460), (1252, 105345), (1565, 84276), (1878, 70230), (2341, 56340), (2817, 46820), (3130, 42138), (3756, 35115), (4682, 28170), (4695, 28092), (5634, 23410), (6260, 21069), (7023, 18780), (9364, 14085), (9390, 14046), (11268, 11705)]