280602080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 772208640

約数和(自身を除く): 491606560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 37, 40, 44, 55, 62, 74, 80, 88, 110, 124, 139, 148, 155, 160, 176, 185, 220, 248, 278, 296, 310, 341, 352, 370, 407, 440, 496, 556, 592, 620, 682, 695, 740, 814, 880, 992, 1112, 1147, 1184, 1240, 1364, 1390, 1480, 1529, 1628, 1705, 1760, 2035, 2224, 2294, 2480, 2728, 2780, 2960, 3058, 3256, 3410, 4070, 4309, 4448, 4588, 4960, 5143, 5456, 5560, 5735, 5920, 6116, 6512, 6820, 7645, 8140, 8618, 9176, 10286, 10912, 11120, 11470, 12232, 12617, 13024, 13640, 15290, 16280, 17236, 18352, 20572, 21545, 22240, 22940, 24464, 25234, 25715, 27280, 30580, 32560, 34472, 36704, 41144, 43090, 45880, 47399, 48928, 50468, 51430, 54560, 56573, 61160, 63085, 65120, 68944, 82288, 86180, 91760, 94798, 100936, 102860, 113146, 122320, 126170, 137888, 159433, 164576, 172360, 183520, 189596, 201872, 205720, 226292, 236995, 244640, 252340, 282865, 318866, 344720, 379192, 403744, 411440, 452584, 473990, 504680, 565730, 637732, 689440, 758384, 797165, 822880, 905168, 947980, 1009360, 1131460, 1275464, 1516768, 1594330, 1753763, 1810336, 1895960, 2018720, 2262920, 2550928, 3188660, 3507526, 3791920, 4525840, 5101856, 6377320, 7015052, 7583840, 8768815, 9051680, 12754640, 14030104, 17537630, 25509280, 28060208, 35075260, 56120416, 70150520, 140301040, 280602080]

約数ペア:

[(1, 280602080), (2, 140301040), (4, 70150520), (5, 56120416), (8, 35075260), (10, 28060208), (11, 25509280), (16, 17537630), (20, 14030104), (22, 12754640), (31, 9051680), (32, 8768815), (37, 7583840), (40, 7015052), (44, 6377320), (55, 5101856), (62, 4525840), (74, 3791920), (80, 3507526), (88, 3188660), (110, 2550928), (124, 2262920), (139, 2018720), (148, 1895960), (155, 1810336), (160, 1753763), (176, 1594330), (185, 1516768), (220, 1275464), (248, 1131460), (278, 1009360), (296, 947980), (310, 905168), (341, 822880), (352, 797165), (370, 758384), (407, 689440), (440, 637732), (496, 565730), (556, 504680), (592, 473990), (620, 452584), (682, 411440), (695, 403744), (740, 379192), (814, 344720), (880, 318866), (992, 282865), (1112, 252340), (1147, 244640), (1184, 236995), (1240, 226292), (1364, 205720), (1390, 201872), (1480, 189596), (1529, 183520), (1628, 172360), (1705, 164576), (1760, 159433), (2035, 137888), (2224, 126170), (2294, 122320), (2480, 113146), (2728, 102860), (2780, 100936), (2960, 94798), (3058, 91760), (3256, 86180), (3410, 82288), (4070, 68944), (4309, 65120), (4448, 63085), (4588, 61160), (4960, 56573), (5143, 54560), (5456, 51430), (5560, 50468), (5735, 48928), (5920, 47399), (6116, 45880), (6512, 43090), (6820, 41144), (7645, 36704), (8140, 34472), (8618, 32560), (9176, 30580), (10286, 27280), (10912, 25715), (11120, 25234), (11470, 24464), (12232, 22940), (12617, 22240), (13024, 21545), (13640, 20572), (15290, 18352), (16280, 17236)]