81265440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:491

約数の個数: 192

約数和(自身を含む): 283481856

約数和(自身を除く): 202216416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 32, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 92, 96, 102, 115, 120, 136, 138, 160, 170, 184, 204, 230, 240, 255, 272, 276, 340, 345, 368, 391, 408, 433, 460, 480, 510, 544, 552, 680, 690, 736, 782, 816, 866, 920, 1020, 1104, 1173, 1299, 1360, 1380, 1564, 1632, 1732, 1840, 1955, 2040, 2165, 2208, 2346, 2598, 2720, 2760, 3128, 3464, 3680, 3910, 4080, 4330, 4692, 5196, 5520, 5865, 6256, 6495, 6928, 7361, 7820, 8160, 8660, 9384, 9959, 10392, 11040, 11730, 12512, 12990, 13856, 14722, 15640, 17320, 18768, 19918, 20784, 22083, 23460, 25980, 29444, 29877, 31280, 34640, 36805, 37536, 39836, 41568, 44166, 46920, 49795, 51960, 58888, 59754, 62560, 69280, 73610, 79672, 88332, 93840, 99590, 103920, 110415, 117776, 119508, 147220, 149385, 159344, 169303, 176664, 187680, 199180, 207840, 220830, 235552, 239016, 294440, 298770, 318688, 338606, 353328, 398360, 441660, 478032, 507909, 588880, 597540, 677212, 706656, 796720, 846515, 883320, 956064, 1015818, 1177760, 1195080, 1354424, 1593440, 1693030, 1766640, 2031636, 2390160, 2539545, 2708848, 3386060, 3533280, 4063272, 4780320, 5079090, 5417696, 6772120, 8126544, 10158180, 13544240, 16253088, 20316360, 27088480, 40632720, 81265440]

約数ペア:

[(1, 81265440), (2, 40632720), (3, 27088480), (4, 20316360), (5, 16253088), (6, 13544240), (8, 10158180), (10, 8126544), (12, 6772120), (15, 5417696), (16, 5079090), (17, 4780320), (20, 4063272), (23, 3533280), (24, 3386060), (30, 2708848), (32, 2539545), (34, 2390160), (40, 2031636), (46, 1766640), (48, 1693030), (51, 1593440), (60, 1354424), (68, 1195080), (69, 1177760), (80, 1015818), (85, 956064), (92, 883320), (96, 846515), (102, 796720), (115, 706656), (120, 677212), (136, 597540), (138, 588880), (160, 507909), (170, 478032), (184, 441660), (204, 398360), (230, 353328), (240, 338606), (255, 318688), (272, 298770), (276, 294440), (340, 239016), (345, 235552), (368, 220830), (391, 207840), (408, 199180), (433, 187680), (460, 176664), (480, 169303), (510, 159344), (544, 149385), (552, 147220), (680, 119508), (690, 117776), (736, 110415), (782, 103920), (816, 99590), (866, 93840), (920, 88332), (1020, 79672), (1104, 73610), (1173, 69280), (1299, 62560), (1360, 59754), (1380, 58888), (1564, 51960), (1632, 49795), (1732, 46920), (1840, 44166), (1955, 41568), (2040, 39836), (2165, 37536), (2208, 36805), (2346, 34640), (2598, 31280), (2720, 29877), (2760, 29444), (3128, 25980), (3464, 23460), (3680, 22083), (3910, 20784), (4080, 19918), (4330, 18768), (4692, 17320), (5196, 15640), (5520, 14722), (5865, 13856), (6256, 12990), (6495, 12512), (6928, 11730), (7361, 11040), (7820, 10392), (8160, 9959), (8660, 9384)]