140821380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1626

約数の個数: 144

約数和(自身を含む): 495191424

約数和(自身を除く): 354370044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 511, 630, 657, 730, 876, 1022, 1095, 1260, 1314, 1460, 1531, 1533, 2044, 2190, 2555, 2628, 3062, 3066, 3285, 4380, 4593, 4599, 5110, 6124, 6132, 6570, 7655, 7665, 9186, 9198, 10220, 10717, 13140, 13779, 15310, 15330, 18372, 18396, 21434, 22965, 22995, 27558, 30620, 30660, 32151, 42868, 45930, 45990, 53585, 55116, 64302, 68895, 91860, 91980, 96453, 107170, 111763, 128604, 137790, 160755, 192906, 214340, 223526, 275580, 321510, 335289, 385812, 447052, 482265, 558815, 643020, 670578, 782341, 964530, 1005867, 1117630, 1341156, 1564682, 1676445, 1929060, 2011734, 2235260, 2347023, 3129364, 3352890, 3911705, 4023468, 4694046, 5029335, 6705780, 7041069, 7823410, 9388092, 10058670, 11735115, 14082138, 15646820, 20117340, 23470230, 28164276, 35205345, 46940460, 70410690, 140821380]

約数ペア:

[(1, 140821380), (2, 70410690), (3, 46940460), (4, 35205345), (5, 28164276), (6, 23470230), (7, 20117340), (9, 15646820), (10, 14082138), (12, 11735115), (14, 10058670), (15, 9388092), (18, 7823410), (20, 7041069), (21, 6705780), (28, 5029335), (30, 4694046), (35, 4023468), (36, 3911705), (42, 3352890), (45, 3129364), (60, 2347023), (63, 2235260), (70, 2011734), (73, 1929060), (84, 1676445), (90, 1564682), (105, 1341156), (126, 1117630), (140, 1005867), (146, 964530), (180, 782341), (210, 670578), (219, 643020), (252, 558815), (292, 482265), (315, 447052), (365, 385812), (420, 335289), (438, 321510), (511, 275580), (630, 223526), (657, 214340), (730, 192906), (876, 160755), (1022, 137790), (1095, 128604), (1260, 111763), (1314, 107170), (1460, 96453), (1531, 91980), (1533, 91860), (2044, 68895), (2190, 64302), (2555, 55116), (2628, 53585), (3062, 45990), (3066, 45930), (3285, 42868), (4380, 32151), (4593, 30660), (4599, 30620), (5110, 27558), (6124, 22995), (6132, 22965), (6570, 21434), (7655, 18396), (7665, 18372), (9186, 15330), (9198, 15310), (10220, 13779), (10717, 13140)]