1277954440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 3555187200

約数和(自身を除く): 2277232760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 47, 56, 70, 76, 94, 95, 133, 140, 152, 188, 190, 235, 266, 269, 280, 329, 361, 376, 380, 470, 532, 538, 658, 665, 722, 760, 893, 940, 1064, 1076, 1316, 1330, 1345, 1444, 1645, 1786, 1805, 1880, 1883, 2152, 2527, 2632, 2660, 2690, 2888, 3290, 3572, 3610, 3766, 4465, 5054, 5111, 5320, 5380, 6251, 6580, 7144, 7220, 7532, 8930, 9415, 10108, 10222, 10760, 12502, 12635, 12643, 13160, 14440, 15064, 16967, 17860, 18830, 20216, 20444, 25004, 25270, 25286, 25555, 31255, 33934, 35720, 35777, 37660, 40888, 50008, 50540, 50572, 51110, 62510, 63215, 67868, 71554, 75320, 84835, 88501, 97109, 101080, 101144, 102220, 118769, 125020, 126430, 135736, 143108, 169670, 177002, 178885, 194218, 204440, 237538, 240217, 250040, 252860, 286216, 339340, 354004, 357770, 388436, 442505, 475076, 480434, 485545, 505720, 593845, 678680, 679763, 708008, 715540, 776872, 885010, 950152, 960868, 971090, 1187690, 1201085, 1359526, 1431080, 1681519, 1770020, 1921736, 1942180, 2375380, 2402170, 2719052, 3363038, 3398815, 3540040, 3884360, 4564123, 4750760, 4804340, 5438104, 6726076, 6797630, 8407595, 9128246, 9608680, 13452152, 13595260, 16815190, 18256492, 22820615, 27190520, 31948861, 33630380, 36512984, 45641230, 63897722, 67260760, 91282460, 127795444, 159744305, 182564920, 255590888, 319488610, 638977220, 1277954440]

約数ペア:

[(1, 1277954440), (2, 638977220), (4, 319488610), (5, 255590888), (7, 182564920), (8, 159744305), (10, 127795444), (14, 91282460), (19, 67260760), (20, 63897722), (28, 45641230), (35, 36512984), (38, 33630380), (40, 31948861), (47, 27190520), (56, 22820615), (70, 18256492), (76, 16815190), (94, 13595260), (95, 13452152), (133, 9608680), (140, 9128246), (152, 8407595), (188, 6797630), (190, 6726076), (235, 5438104), (266, 4804340), (269, 4750760), (280, 4564123), (329, 3884360), (361, 3540040), (376, 3398815), (380, 3363038), (470, 2719052), (532, 2402170), (538, 2375380), (658, 1942180), (665, 1921736), (722, 1770020), (760, 1681519), (893, 1431080), (940, 1359526), (1064, 1201085), (1076, 1187690), (1316, 971090), (1330, 960868), (1345, 950152), (1444, 885010), (1645, 776872), (1786, 715540), (1805, 708008), (1880, 679763), (1883, 678680), (2152, 593845), (2527, 505720), (2632, 485545), (2660, 480434), (2690, 475076), (2888, 442505), (3290, 388436), (3572, 357770), (3610, 354004), (3766, 339340), (4465, 286216), (5054, 252860), (5111, 250040), (5320, 240217), (5380, 237538), (6251, 204440), (6580, 194218), (7144, 178885), (7220, 177002), (7532, 169670), (8930, 143108), (9415, 135736), (10108, 126430), (10222, 125020), (10760, 118769), (12502, 102220), (12635, 101144), (12643, 101080), (13160, 97109), (14440, 88501), (15064, 84835), (16967, 75320), (17860, 71554), (18830, 67868), (20216, 63215), (20444, 62510), (25004, 51110), (25270, 50572), (25286, 50540), (25555, 50008), (31255, 40888), (33934, 37660), (35720, 35777)]