72898980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:570

約数の個数: 192

約数和(自身を含む): 263208960

約数和(自身を除く): 190309980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 55, 60, 62, 66, 70, 77, 84, 93, 105, 110, 124, 132, 140, 154, 155, 165, 186, 210, 217, 220, 231, 308, 310, 330, 341, 372, 385, 420, 434, 462, 465, 509, 620, 651, 660, 682, 770, 868, 924, 930, 1018, 1023, 1085, 1155, 1302, 1364, 1527, 1540, 1705, 1860, 2036, 2046, 2170, 2310, 2387, 2545, 2604, 3054, 3255, 3410, 3563, 4092, 4340, 4620, 4774, 5090, 5115, 5599, 6108, 6510, 6820, 7126, 7161, 7635, 9548, 10180, 10230, 10689, 11198, 11935, 13020, 14252, 14322, 15270, 15779, 16797, 17815, 20460, 21378, 22396, 23870, 27995, 28644, 30540, 31558, 33594, 35630, 35805, 39193, 42756, 47337, 47740, 53445, 55990, 63116, 67188, 71260, 71610, 78386, 78895, 83985, 94674, 106890, 110453, 111980, 117579, 143220, 156772, 157790, 167970, 173569, 189348, 195965, 213780, 220906, 235158, 236685, 315580, 331359, 335940, 347138, 391930, 441812, 470316, 473370, 520707, 552265, 587895, 662718, 694276, 783860, 867845, 946740, 1041414, 1104530, 1175790, 1214983, 1325436, 1656795, 1735690, 2082828, 2209060, 2351580, 2429966, 2603535, 3313590, 3471380, 3644949, 4859932, 5207070, 6074915, 6627180, 7289898, 10414140, 12149830, 14579796, 18224745, 24299660, 36449490, 72898980]

約数ペア:

[(1, 72898980), (2, 36449490), (3, 24299660), (4, 18224745), (5, 14579796), (6, 12149830), (7, 10414140), (10, 7289898), (11, 6627180), (12, 6074915), (14, 5207070), (15, 4859932), (20, 3644949), (21, 3471380), (22, 3313590), (28, 2603535), (30, 2429966), (31, 2351580), (33, 2209060), (35, 2082828), (42, 1735690), (44, 1656795), (55, 1325436), (60, 1214983), (62, 1175790), (66, 1104530), (70, 1041414), (77, 946740), (84, 867845), (93, 783860), (105, 694276), (110, 662718), (124, 587895), (132, 552265), (140, 520707), (154, 473370), (155, 470316), (165, 441812), (186, 391930), (210, 347138), (217, 335940), (220, 331359), (231, 315580), (308, 236685), (310, 235158), (330, 220906), (341, 213780), (372, 195965), (385, 189348), (420, 173569), (434, 167970), (462, 157790), (465, 156772), (509, 143220), (620, 117579), (651, 111980), (660, 110453), (682, 106890), (770, 94674), (868, 83985), (924, 78895), (930, 78386), (1018, 71610), (1023, 71260), (1085, 67188), (1155, 63116), (1302, 55990), (1364, 53445), (1527, 47740), (1540, 47337), (1705, 42756), (1860, 39193), (2036, 35805), (2046, 35630), (2170, 33594), (2310, 31558), (2387, 30540), (2545, 28644), (2604, 27995), (3054, 23870), (3255, 22396), (3410, 21378), (3563, 20460), (4092, 17815), (4340, 16797), (4620, 15779), (4774, 15270), (5090, 14322), (5115, 14252), (5599, 13020), (6108, 11935), (6510, 11198), (6820, 10689), (7126, 10230), (7161, 10180), (7635, 9548)]