72744420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 240166080

約数和(自身を除く): 167421660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 196, 210, 218, 227, 245, 294, 327, 420, 436, 454, 490, 545, 588, 654, 681, 735, 763, 908, 980, 1090, 1135, 1308, 1362, 1470, 1526, 1589, 1635, 2180, 2270, 2289, 2724, 2940, 3052, 3178, 3270, 3405, 3815, 4540, 4578, 4767, 5341, 6356, 6540, 6810, 7630, 7945, 9156, 9534, 10682, 11123, 11445, 13620, 15260, 15890, 16023, 19068, 21364, 22246, 22890, 23835, 24743, 26705, 31780, 32046, 33369, 44492, 45780, 47670, 49486, 53410, 55615, 64092, 66738, 74229, 80115, 95340, 98972, 106820, 111230, 123715, 133476, 148458, 160230, 166845, 173201, 222460, 247430, 296916, 320460, 333690, 346402, 371145, 494860, 519603, 667380, 692804, 742290, 866005, 1039206, 1212407, 1484580, 1732010, 2078412, 2424814, 2598015, 3464020, 3637221, 4849628, 5196030, 6062035, 7274442, 10392060, 12124070, 14548884, 18186105, 24248140, 36372210, 72744420]

約数ペア:

[(1, 72744420), (2, 36372210), (3, 24248140), (4, 18186105), (5, 14548884), (6, 12124070), (7, 10392060), (10, 7274442), (12, 6062035), (14, 5196030), (15, 4849628), (20, 3637221), (21, 3464020), (28, 2598015), (30, 2424814), (35, 2078412), (42, 1732010), (49, 1484580), (60, 1212407), (70, 1039206), (84, 866005), (98, 742290), (105, 692804), (109, 667380), (140, 519603), (147, 494860), (196, 371145), (210, 346402), (218, 333690), (227, 320460), (245, 296916), (294, 247430), (327, 222460), (420, 173201), (436, 166845), (454, 160230), (490, 148458), (545, 133476), (588, 123715), (654, 111230), (681, 106820), (735, 98972), (763, 95340), (908, 80115), (980, 74229), (1090, 66738), (1135, 64092), (1308, 55615), (1362, 53410), (1470, 49486), (1526, 47670), (1589, 45780), (1635, 44492), (2180, 33369), (2270, 32046), (2289, 31780), (2724, 26705), (2940, 24743), (3052, 23835), (3178, 22890), (3270, 22246), (3405, 21364), (3815, 19068), (4540, 16023), (4578, 15890), (4767, 15260), (5341, 13620), (6356, 11445), (6540, 11123), (6810, 10682), (7630, 9534), (7945, 9156)]