72824220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2044

約数の個数: 144

約数和(自身を含む): 261293760

約数和(自身を除く): 188469540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 580, 609, 630, 812, 870, 1015, 1044, 1218, 1260, 1305, 1740, 1827, 1993, 2030, 2436, 2610, 3045, 3654, 3986, 4060, 5220, 5979, 6090, 7308, 7972, 9135, 9965, 11958, 12180, 13951, 17937, 18270, 19930, 23916, 27902, 29895, 35874, 36540, 39860, 41853, 55804, 57797, 59790, 69755, 71748, 83706, 89685, 115594, 119580, 125559, 139510, 167412, 173391, 179370, 209265, 231188, 251118, 279020, 288985, 346782, 358740, 404579, 418530, 502236, 520173, 577970, 627795, 693564, 809158, 837060, 866955, 1040346, 1155940, 1213737, 1255590, 1618316, 1733910, 2022895, 2080692, 2427474, 2511180, 2600865, 3467820, 3641211, 4045790, 4854948, 5201730, 6068685, 7282422, 8091580, 10403460, 12137370, 14564844, 18206055, 24274740, 36412110, 72824220]

約数ペア:

[(1, 72824220), (2, 36412110), (3, 24274740), (4, 18206055), (5, 14564844), (6, 12137370), (7, 10403460), (9, 8091580), (10, 7282422), (12, 6068685), (14, 5201730), (15, 4854948), (18, 4045790), (20, 3641211), (21, 3467820), (28, 2600865), (29, 2511180), (30, 2427474), (35, 2080692), (36, 2022895), (42, 1733910), (45, 1618316), (58, 1255590), (60, 1213737), (63, 1155940), (70, 1040346), (84, 866955), (87, 837060), (90, 809158), (105, 693564), (116, 627795), (126, 577970), (140, 520173), (145, 502236), (174, 418530), (180, 404579), (203, 358740), (210, 346782), (252, 288985), (261, 279020), (290, 251118), (315, 231188), (348, 209265), (406, 179370), (420, 173391), (435, 167412), (522, 139510), (580, 125559), (609, 119580), (630, 115594), (812, 89685), (870, 83706), (1015, 71748), (1044, 69755), (1218, 59790), (1260, 57797), (1305, 55804), (1740, 41853), (1827, 39860), (1993, 36540), (2030, 35874), (2436, 29895), (2610, 27902), (3045, 23916), (3654, 19930), (3986, 18270), (4060, 17937), (5220, 13951), (5979, 12180), (6090, 11958), (7308, 9965), (7972, 9135)]