2155391640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86771}}^1$

素因数の和:86814

約数の個数: 128

約数和(自身を含む): 7497100800

約数和(自身を除く): 5341709160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 12420, 24840, 86771, 173542, 260313, 347084, 433855, 520626, 694168, 780939, 867710, 1041252, 1301565, 1561878, 1735420, 1995733, 2082504, 2342817, 2603130, 3123756, 3470840, 3904695, 3991466, 4685634, 5206260, 5987199, 6247512, 7809390, 7982932, 9371268, 9978665, 10412520, 11714085, 11974398, 15618780, 15965864, 17961597, 18742536, 19957330, 23428170, 23948796, 29935995, 31237560, 35923194, 39914660, 46856340, 47897592, 53884791, 59871990, 71846388, 79829320, 89807985, 93712680, 107769582, 119743980, 143692776, 179615970, 215539164, 239487960, 269423955, 359231940, 431078328, 538847910, 718463880, 1077695820, 2155391640]

約数ペア:

[(1, 2155391640), (2, 1077695820), (3, 718463880), (4, 538847910), (5, 431078328), (6, 359231940), (8, 269423955), (9, 239487960), (10, 215539164), (12, 179615970), (15, 143692776), (18, 119743980), (20, 107769582), (23, 93712680), (24, 89807985), (27, 79829320), (30, 71846388), (36, 59871990), (40, 53884791), (45, 47897592), (46, 46856340), (54, 39914660), (60, 35923194), (69, 31237560), (72, 29935995), (90, 23948796), (92, 23428170), (108, 19957330), (115, 18742536), (120, 17961597), (135, 15965864), (138, 15618780), (180, 11974398), (184, 11714085), (207, 10412520), (216, 9978665), (230, 9371268), (270, 7982932), (276, 7809390), (345, 6247512), (360, 5987199), (414, 5206260), (460, 4685634), (540, 3991466), (552, 3904695), (621, 3470840), (690, 3123756), (828, 2603130), (920, 2342817), (1035, 2082504), (1080, 1995733), (1242, 1735420), (1380, 1561878), (1656, 1301565), (2070, 1041252), (2484, 867710), (2760, 780939), (3105, 694168), (4140, 520626), (4968, 433855), (6210, 347084), (8280, 260313), (12420, 173542), (24840, 86771)]