72820020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13337}}^1$

素因数の和:13369

約数の個数: 96

約数和(自身を含む): 250967808

約数和(自身を除く): 178147788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 13337, 26674, 40011, 53348, 66685, 80022, 93359, 133370, 160044, 173381, 186718, 200055, 266740, 280077, 346762, 373436, 400110, 466795, 520143, 560154, 693524, 800220, 866905, 933590, 1040286, 1120308, 1213667, 1400385, 1733810, 1867180, 2080572, 2427334, 2600715, 2800770, 3467620, 3641001, 4854668, 5201430, 5601540, 6068335, 7282002, 10402860, 12136670, 14564004, 18205005, 24273340, 36410010, 72820020]

約数ペア:

[(1, 72820020), (2, 36410010), (3, 24273340), (4, 18205005), (5, 14564004), (6, 12136670), (7, 10402860), (10, 7282002), (12, 6068335), (13, 5601540), (14, 5201430), (15, 4854668), (20, 3641001), (21, 3467620), (26, 2800770), (28, 2600715), (30, 2427334), (35, 2080572), (39, 1867180), (42, 1733810), (52, 1400385), (60, 1213667), (65, 1120308), (70, 1040286), (78, 933590), (84, 866905), (91, 800220), (105, 693524), (130, 560154), (140, 520143), (156, 466795), (182, 400110), (195, 373436), (210, 346762), (260, 280077), (273, 266740), (364, 200055), (390, 186718), (420, 173381), (455, 160044), (546, 133370), (780, 93359), (910, 80022), (1092, 66685), (1365, 53348), (1820, 40011), (2730, 26674), (5460, 13337)]