277335280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3343}}^1$

素因数の和:3434

約数の個数: 80

約数和(自身を含む): 694134144

約数和(自身を除く): 416798864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1037, 1220, 1360, 2074, 2440, 3343, 4148, 4880, 5185, 6686, 8296, 10370, 13372, 16592, 16715, 20740, 26744, 33430, 41480, 53488, 56831, 66860, 82960, 113662, 133720, 203923, 227324, 267440, 284155, 407846, 454648, 568310, 815692, 909296, 1019615, 1136620, 1631384, 2039230, 2273240, 3262768, 3466691, 4078460, 4546480, 6933382, 8156920, 13866764, 16313840, 17333455, 27733528, 34666910, 55467056, 69333820, 138667640, 277335280]

約数ペア:

[(1, 277335280), (2, 138667640), (4, 69333820), (5, 55467056), (8, 34666910), (10, 27733528), (16, 17333455), (17, 16313840), (20, 13866764), (34, 8156920), (40, 6933382), (61, 4546480), (68, 4078460), (80, 3466691), (85, 3262768), (122, 2273240), (136, 2039230), (170, 1631384), (244, 1136620), (272, 1019615), (305, 909296), (340, 815692), (488, 568310), (610, 454648), (680, 407846), (976, 284155), (1037, 267440), (1220, 227324), (1360, 203923), (2074, 133720), (2440, 113662), (3343, 82960), (4148, 66860), (4880, 56831), (5185, 53488), (6686, 41480), (8296, 33430), (10370, 26744), (13372, 20740), (16592, 16715)]