161967840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:921

約数の個数: 192

約数和(自身を含む): 564350976

約数和(自身を除く): 402383136

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, 460, 480, 510, 544, 552, 680, 690, 736, 782, 816, 863, 920, 1020, 1104, 1173, 1360, 1380, 1564, 1632, 1726, 1840, 1955, 2040, 2208, 2346, 2589, 2720, 2760, 3128, 3452, 3680, 3910, 4080, 4315, 4692, 5178, 5520, 5865, 6256, 6904, 7820, 8160, 8630, 9384, 10356, 11040, 11730, 12512, 12945, 13808, 14671, 15640, 17260, 18768, 19849, 20712, 23460, 25890, 27616, 29342, 31280, 34520, 37536, 39698, 41424, 44013, 46920, 51780, 58684, 59547, 62560, 69040, 73355, 79396, 82848, 88026, 93840, 99245, 103560, 117368, 119094, 138080, 146710, 158792, 176052, 187680, 198490, 207120, 220065, 234736, 238188, 293420, 297735, 317584, 337433, 352104, 396980, 414240, 440130, 469472, 476376, 586840, 595470, 635168, 674866, 704208, 793960, 880260, 952752, 1012299, 1173680, 1190940, 1349732, 1408416, 1587920, 1687165, 1760520, 1905504, 2024598, 2347360, 2381880, 2699464, 3175840, 3374330, 3521040, 4049196, 4763760, 5061495, 5398928, 6748660, 7042080, 8098392, 9527520, 10122990, 10797856, 13497320, 16196784, 20245980, 26994640, 32393568, 40491960, 53989280, 80983920, 161967840]

約数ペア:

[(1, 161967840), (2, 80983920), (3, 53989280), (4, 40491960), (5, 32393568), (6, 26994640), (8, 20245980), (10, 16196784), (12, 13497320), (15, 10797856), (16, 10122990), (17, 9527520), (20, 8098392), (23, 7042080), (24, 6748660), (30, 5398928), (32, 5061495), (34, 4763760), (40, 4049196), (46, 3521040), (48, 3374330), (51, 3175840), (60, 2699464), (68, 2381880), (69, 2347360), (80, 2024598), (85, 1905504), (92, 1760520), (96, 1687165), (102, 1587920), (115, 1408416), (120, 1349732), (136, 1190940), (138, 1173680), (160, 1012299), (170, 952752), (184, 880260), (204, 793960), (230, 704208), (240, 674866), (255, 635168), (272, 595470), (276, 586840), (340, 476376), (345, 469472), (368, 440130), (391, 414240), (408, 396980), (460, 352104), (480, 337433), (510, 317584), (544, 297735), (552, 293420), (680, 238188), (690, 234736), (736, 220065), (782, 207120), (816, 198490), (863, 187680), (920, 176052), (1020, 158792), (1104, 146710), (1173, 138080), (1360, 119094), (1380, 117368), (1564, 103560), (1632, 99245), (1726, 93840), (1840, 88026), (1955, 82848), (2040, 79396), (2208, 73355), (2346, 69040), (2589, 62560), (2720, 59547), (2760, 58684), (3128, 51780), (3452, 46920), (3680, 44013), (3910, 41424), (4080, 39698), (4315, 37536), (4692, 34520), (5178, 31280), (5520, 29342), (5865, 27616), (6256, 25890), (6904, 23460), (7820, 20712), (8160, 19849), (8630, 18768), (9384, 17260), (10356, 15640), (11040, 14671), (11730, 13808), (12512, 12945)]