28367280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:616

約数の個数: 160

約数和(自身を含む): 102136320

約数和(自身を除く): 73769040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 571, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1142, 1242, 1380, 1656, 1713, 1840, 2070, 2160, 2284, 2484, 2760, 2855, 3105, 3312, 3426, 4140, 4568, 4968, 5139, 5520, 5710, 6210, 6852, 8280, 8565, 9136, 9936, 10278, 11420, 12420, 13133, 13704, 15417, 16560, 17130, 20556, 22840, 24840, 25695, 26266, 27408, 30834, 34260, 39399, 41112, 45680, 49680, 51390, 52532, 61668, 65665, 68520, 77085, 78798, 82224, 102780, 105064, 118197, 123336, 131330, 137040, 154170, 157596, 196995, 205560, 210128, 236394, 246672, 262660, 308340, 315192, 354591, 393990, 411120, 472788, 525320, 590985, 616680, 630384, 709182, 787980, 945576, 1050640, 1181970, 1233360, 1418364, 1575960, 1772955, 1891152, 2363940, 2836728, 3151920, 3545910, 4727880, 5673456, 7091820, 9455760, 14183640, 28367280]

約数ペア:

[(1, 28367280), (2, 14183640), (3, 9455760), (4, 7091820), (5, 5673456), (6, 4727880), (8, 3545910), (9, 3151920), (10, 2836728), (12, 2363940), (15, 1891152), (16, 1772955), (18, 1575960), (20, 1418364), (23, 1233360), (24, 1181970), (27, 1050640), (30, 945576), (36, 787980), (40, 709182), (45, 630384), (46, 616680), (48, 590985), (54, 525320), (60, 472788), (69, 411120), (72, 393990), (80, 354591), (90, 315192), (92, 308340), (108, 262660), (115, 246672), (120, 236394), (135, 210128), (138, 205560), (144, 196995), (180, 157596), (184, 154170), (207, 137040), (216, 131330), (230, 123336), (240, 118197), (270, 105064), (276, 102780), (345, 82224), (360, 78798), (368, 77085), (414, 68520), (432, 65665), (460, 61668), (540, 52532), (552, 51390), (571, 49680), (621, 45680), (690, 41112), (720, 39399), (828, 34260), (920, 30834), (1035, 27408), (1080, 26266), (1104, 25695), (1142, 24840), (1242, 22840), (1380, 20556), (1656, 17130), (1713, 16560), (1840, 15417), (2070, 13704), (2160, 13133), (2284, 12420), (2484, 11420), (2760, 10278), (2855, 9936), (3105, 9136), (3312, 8565), (3426, 8280), (4140, 6852), (4568, 6210), (4968, 5710), (5139, 5520)]