1802220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{613}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 5879664

約数和(自身を除く): 4077444

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, 140, 147, 196, 210, 245, 294, 420, 490, 588, 613, 735, 980, 1226, 1470, 1839, 2452, 2940, 3065, 3678, 4291, 6130, 7356, 8582, 9195, 12260, 12873, 17164, 18390, 21455, 25746, 30037, 36780, 42910, 51492, 60074, 64365, 85820, 90111, 120148, 128730, 150185, 180222, 257460, 300370, 360444, 450555, 600740, 901110, 1802220]

約数ペア:

[(1, 1802220), (2, 901110), (3, 600740), (4, 450555), (5, 360444), (6, 300370), (7, 257460), (10, 180222), (12, 150185), (14, 128730), (15, 120148), (20, 90111), (21, 85820), (28, 64365), (30, 60074), (35, 51492), (42, 42910), (49, 36780), (60, 30037), (70, 25746), (84, 21455), (98, 18390), (105, 17164), (140, 12873), (147, 12260), (196, 9195), (210, 8582), (245, 7356), (294, 6130), (420, 4291), (490, 3678), (588, 3065), (613, 2940), (735, 2452), (980, 1839), (1226, 1470)]