18309840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 61710336

約数和(自身を除く): 43400496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 92, 93, 107, 115, 120, 124, 138, 155, 184, 186, 214, 230, 240, 248, 276, 310, 321, 345, 368, 372, 428, 460, 465, 496, 535, 552, 620, 642, 690, 713, 744, 856, 920, 930, 1070, 1104, 1240, 1284, 1380, 1426, 1488, 1605, 1712, 1840, 1860, 2139, 2140, 2461, 2480, 2568, 2760, 2852, 3210, 3317, 3565, 3720, 4278, 4280, 4922, 5136, 5520, 5704, 6420, 6634, 7130, 7383, 7440, 8556, 8560, 9844, 9951, 10695, 11408, 12305, 12840, 13268, 14260, 14766, 16585, 17112, 19688, 19902, 21390, 24610, 25680, 26536, 28520, 29532, 33170, 34224, 36915, 39376, 39804, 42780, 49220, 49755, 53072, 57040, 59064, 66340, 73830, 76291, 79608, 85560, 98440, 99510, 118128, 132680, 147660, 152582, 159216, 171120, 196880, 199020, 228873, 265360, 295320, 305164, 381455, 398040, 457746, 590640, 610328, 762910, 796080, 915492, 1144365, 1220656, 1525820, 1830984, 2288730, 3051640, 3661968, 4577460, 6103280, 9154920, 18309840]

約数ペア:

[(1, 18309840), (2, 9154920), (3, 6103280), (4, 4577460), (5, 3661968), (6, 3051640), (8, 2288730), (10, 1830984), (12, 1525820), (15, 1220656), (16, 1144365), (20, 915492), (23, 796080), (24, 762910), (30, 610328), (31, 590640), (40, 457746), (46, 398040), (48, 381455), (60, 305164), (62, 295320), (69, 265360), (80, 228873), (92, 199020), (93, 196880), (107, 171120), (115, 159216), (120, 152582), (124, 147660), (138, 132680), (155, 118128), (184, 99510), (186, 98440), (214, 85560), (230, 79608), (240, 76291), (248, 73830), (276, 66340), (310, 59064), (321, 57040), (345, 53072), (368, 49755), (372, 49220), (428, 42780), (460, 39804), (465, 39376), (496, 36915), (535, 34224), (552, 33170), (620, 29532), (642, 28520), (690, 26536), (713, 25680), (744, 24610), (856, 21390), (920, 19902), (930, 19688), (1070, 17112), (1104, 16585), (1240, 14766), (1284, 14260), (1380, 13268), (1426, 12840), (1488, 12305), (1605, 11408), (1712, 10695), (1840, 9951), (1860, 9844), (2139, 8560), (2140, 8556), (2461, 7440), (2480, 7383), (2568, 7130), (2760, 6634), (2852, 6420), (3210, 5704), (3317, 5520), (3565, 5136), (3720, 4922), (4278, 4280)]