64972530

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{1637}}^1$

素因数の和:1670

約数の個数: 120

約数和(自身を含む): 203351148

約数和(自身を除く): 138378618

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 735, 810, 882, 945, 1134, 1323, 1470, 1637, 1890, 2205, 2646, 2835, 3274, 3969, 4410, 4911, 5670, 6615, 7938, 8185, 9822, 11459, 13230, 14733, 16370, 19845, 22918, 24555, 29466, 34377, 39690, 44199, 49110, 57295, 68754, 73665, 80213, 88398, 103131, 114590, 132597, 147330, 160426, 171885, 206262, 220995, 240639, 265194, 309393, 343770, 401065, 441990, 481278, 515655, 618786, 662985, 721917, 802130, 928179, 1031310, 1203195, 1325970, 1443834, 1546965, 1856358, 2165751, 2406390, 3093930, 3609585, 4331502, 4640895, 6497253, 7219170, 9281790, 10828755, 12994506, 21657510, 32486265, 64972530]

約数ペア:

[(1, 64972530), (2, 32486265), (3, 21657510), (5, 12994506), (6, 10828755), (7, 9281790), (9, 7219170), (10, 6497253), (14, 4640895), (15, 4331502), (18, 3609585), (21, 3093930), (27, 2406390), (30, 2165751), (35, 1856358), (42, 1546965), (45, 1443834), (49, 1325970), (54, 1203195), (63, 1031310), (70, 928179), (81, 802130), (90, 721917), (98, 662985), (105, 618786), (126, 515655), (135, 481278), (147, 441990), (162, 401065), (189, 343770), (210, 309393), (245, 265194), (270, 240639), (294, 220995), (315, 206262), (378, 171885), (405, 160426), (441, 147330), (490, 132597), (567, 114590), (630, 103131), (735, 88398), (810, 80213), (882, 73665), (945, 68754), (1134, 57295), (1323, 49110), (1470, 44199), (1637, 39690), (1890, 34377), (2205, 29466), (2646, 24555), (2835, 22918), (3274, 19845), (3969, 16370), (4410, 14733), (4911, 13230), (5670, 11459), (6615, 9822), (7938, 8185)]