71920890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 198918720

約数和(自身を除く): 126997830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 137, 171, 190, 274, 285, 307, 342, 411, 570, 614, 685, 822, 855, 921, 1233, 1370, 1535, 1710, 1842, 2055, 2466, 2603, 2763, 3070, 4110, 4605, 5206, 5526, 5833, 6165, 7809, 9210, 11666, 12330, 13015, 13815, 15618, 17499, 23427, 26030, 27630, 29165, 34998, 39045, 42059, 46854, 52497, 58330, 78090, 84118, 87495, 104994, 117135, 126177, 174990, 210295, 234270, 252354, 262485, 378531, 420590, 524970, 630885, 757062, 799121, 1261770, 1598242, 1892655, 2397363, 3785310, 3995605, 4794726, 7192089, 7991210, 11986815, 14384178, 23973630, 35960445, 71920890]

約数ペア:

[(1, 71920890), (2, 35960445), (3, 23973630), (5, 14384178), (6, 11986815), (9, 7991210), (10, 7192089), (15, 4794726), (18, 3995605), (19, 3785310), (30, 2397363), (38, 1892655), (45, 1598242), (57, 1261770), (90, 799121), (95, 757062), (114, 630885), (137, 524970), (171, 420590), (190, 378531), (274, 262485), (285, 252354), (307, 234270), (342, 210295), (411, 174990), (570, 126177), (614, 117135), (685, 104994), (822, 87495), (855, 84118), (921, 78090), (1233, 58330), (1370, 52497), (1535, 46854), (1710, 42059), (1842, 39045), (2055, 34998), (2466, 29165), (2603, 27630), (2763, 26030), (3070, 23427), (4110, 17499), (4605, 15618), (5206, 13815), (5526, 13015), (5833, 12330), (6165, 11666), (7809, 9210)]