178985320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 447897600

約数和(自身を除く): 268912280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 71, 76, 95, 107, 124, 142, 152, 155, 190, 214, 248, 284, 310, 355, 380, 428, 535, 568, 589, 620, 710, 760, 856, 1070, 1178, 1240, 1349, 1420, 2033, 2140, 2201, 2356, 2698, 2840, 2945, 3317, 4066, 4280, 4402, 4712, 5396, 5890, 6634, 6745, 7597, 8132, 8804, 10165, 10792, 11005, 11780, 13268, 13490, 15194, 16264, 16585, 17608, 20330, 22010, 23560, 26536, 26980, 30388, 33170, 37985, 40660, 41819, 44020, 53960, 60776, 63023, 66340, 75970, 81320, 83638, 88040, 126046, 132680, 144343, 151940, 167276, 209095, 235507, 252092, 288686, 303880, 315115, 334552, 418190, 471014, 504184, 577372, 630230, 721715, 836380, 942028, 1154744, 1177535, 1260460, 1443430, 1672760, 1884056, 2355070, 2520920, 2886860, 4474633, 4710140, 5773720, 8949266, 9420280, 17898532, 22373165, 35797064, 44746330, 89492660, 178985320]

約数ペア:

[(1, 178985320), (2, 89492660), (4, 44746330), (5, 35797064), (8, 22373165), (10, 17898532), (19, 9420280), (20, 8949266), (31, 5773720), (38, 4710140), (40, 4474633), (62, 2886860), (71, 2520920), (76, 2355070), (95, 1884056), (107, 1672760), (124, 1443430), (142, 1260460), (152, 1177535), (155, 1154744), (190, 942028), (214, 836380), (248, 721715), (284, 630230), (310, 577372), (355, 504184), (380, 471014), (428, 418190), (535, 334552), (568, 315115), (589, 303880), (620, 288686), (710, 252092), (760, 235507), (856, 209095), (1070, 167276), (1178, 151940), (1240, 144343), (1349, 132680), (1420, 126046), (2033, 88040), (2140, 83638), (2201, 81320), (2356, 75970), (2698, 66340), (2840, 63023), (2945, 60776), (3317, 53960), (4066, 44020), (4280, 41819), (4402, 40660), (4712, 37985), (5396, 33170), (5890, 30388), (6634, 26980), (6745, 26536), (7597, 23560), (8132, 22010), (8804, 20330), (10165, 17608), (10792, 16585), (11005, 16264), (11780, 15194), (13268, 13490)]