15207772020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36208981}}^1$

素因数の和:36209000

約数の個数: 48

約数和(自身を含む): 48664871808

約数和(自身を除く): 33457099788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 36208981, 72417962, 108626943, 144835924, 181044905, 217253886, 253462867, 362089810, 434507772, 506925734, 543134715, 724179620, 760388601, 1013851468, 1086269430, 1267314335, 1520777202, 2172538860, 2534628670, 3041554404, 3801943005, 5069257340, 7603886010, 15207772020]

約数ペア:

[(1, 15207772020), (2, 7603886010), (3, 5069257340), (4, 3801943005), (5, 3041554404), (6, 2534628670), (7, 2172538860), (10, 1520777202), (12, 1267314335), (14, 1086269430), (15, 1013851468), (20, 760388601), (21, 724179620), (28, 543134715), (30, 506925734), (35, 434507772), (42, 362089810), (60, 253462867), (70, 217253886), (84, 181044905), (105, 144835924), (140, 108626943), (210, 72417962), (420, 36208981)]