180019140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61231}}^1$

素因数の和:61257

約数の個数: 72

約数和(自身を含む): 586357632

約数和(自身を除く): 406338492

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, 735, 980, 1470, 2940, 61231, 122462, 183693, 244924, 306155, 367386, 428617, 612310, 734772, 857234, 918465, 1224620, 1285851, 1714468, 1836930, 2143085, 2571702, 3000319, 3673860, 4286170, 5143404, 6000638, 6429255, 8572340, 9000957, 12001276, 12858510, 15001595, 18001914, 25717020, 30003190, 36003828, 45004785, 60006380, 90009570, 180019140]

約数ペア:

[(1, 180019140), (2, 90009570), (3, 60006380), (4, 45004785), (5, 36003828), (6, 30003190), (7, 25717020), (10, 18001914), (12, 15001595), (14, 12858510), (15, 12001276), (20, 9000957), (21, 8572340), (28, 6429255), (30, 6000638), (35, 5143404), (42, 4286170), (49, 3673860), (60, 3000319), (70, 2571702), (84, 2143085), (98, 1836930), (105, 1714468), (140, 1285851), (147, 1224620), (196, 918465), (210, 857234), (245, 734772), (294, 612310), (420, 428617), (490, 367386), (588, 306155), (735, 244924), (980, 183693), (1470, 122462), (2940, 61231)]