389760720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:493

約数の個数: 160

約数和(自身を含む): 1247301120

約数和(自身を除く): 857540400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 79, 80, 120, 122, 158, 183, 237, 240, 244, 305, 316, 337, 366, 395, 474, 488, 610, 632, 674, 732, 790, 915, 948, 976, 1011, 1185, 1220, 1264, 1348, 1464, 1580, 1685, 1830, 1896, 2022, 2370, 2440, 2696, 2928, 3160, 3370, 3660, 3792, 4044, 4740, 4819, 4880, 5055, 5392, 6320, 6740, 7320, 8088, 9480, 9638, 10110, 13480, 14457, 14640, 16176, 18960, 19276, 20220, 20557, 24095, 26623, 26960, 28914, 38552, 40440, 41114, 48190, 53246, 57828, 61671, 72285, 77104, 79869, 80880, 82228, 96380, 102785, 106492, 115656, 123342, 133115, 144570, 159738, 164456, 192760, 205570, 212984, 231312, 246684, 266230, 289140, 308355, 319476, 328912, 385520, 399345, 411140, 425968, 493368, 532460, 578280, 616710, 638952, 798690, 822280, 986736, 1064920, 1156560, 1233420, 1277904, 1597380, 1624003, 1644560, 2129840, 2466840, 3194760, 3248006, 4872009, 4933680, 6389520, 6496012, 8120015, 9744018, 12992024, 16240030, 19488036, 24360045, 25984048, 32480060, 38976072, 48720090, 64960120, 77952144, 97440180, 129920240, 194880360, 389760720]

約数ペア:

[(1, 389760720), (2, 194880360), (3, 129920240), (4, 97440180), (5, 77952144), (6, 64960120), (8, 48720090), (10, 38976072), (12, 32480060), (15, 25984048), (16, 24360045), (20, 19488036), (24, 16240030), (30, 12992024), (40, 9744018), (48, 8120015), (60, 6496012), (61, 6389520), (79, 4933680), (80, 4872009), (120, 3248006), (122, 3194760), (158, 2466840), (183, 2129840), (237, 1644560), (240, 1624003), (244, 1597380), (305, 1277904), (316, 1233420), (337, 1156560), (366, 1064920), (395, 986736), (474, 822280), (488, 798690), (610, 638952), (632, 616710), (674, 578280), (732, 532460), (790, 493368), (915, 425968), (948, 411140), (976, 399345), (1011, 385520), (1185, 328912), (1220, 319476), (1264, 308355), (1348, 289140), (1464, 266230), (1580, 246684), (1685, 231312), (1830, 212984), (1896, 205570), (2022, 192760), (2370, 164456), (2440, 159738), (2696, 144570), (2928, 133115), (3160, 123342), (3370, 115656), (3660, 106492), (3792, 102785), (4044, 96380), (4740, 82228), (4819, 80880), (4880, 79869), (5055, 77104), (5392, 72285), (6320, 61671), (6740, 57828), (7320, 53246), (8088, 48190), (9480, 41114), (9638, 40440), (10110, 38552), (13480, 28914), (14457, 26960), (14640, 26623), (16176, 24095), (18960, 20557), (19276, 20220)]