290455440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:705

約数の個数: 160

約数和(自身を含む): 988329600

約数和(自身を除く): 697874160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 269, 330, 409, 440, 528, 538, 660, 807, 818, 880, 1076, 1227, 1320, 1345, 1614, 1636, 2045, 2152, 2454, 2640, 2690, 2959, 3228, 3272, 4035, 4090, 4304, 4499, 4908, 5380, 5918, 6135, 6456, 6544, 8070, 8180, 8877, 8998, 9816, 10760, 11836, 12270, 12912, 13497, 14795, 16140, 16360, 17754, 17996, 19632, 21520, 22495, 23672, 24540, 26994, 29590, 32280, 32720, 35508, 35992, 44385, 44990, 47344, 49080, 53988, 59180, 64560, 67485, 71016, 71984, 88770, 89980, 98160, 107976, 110021, 118360, 134970, 142032, 177540, 179960, 215952, 220042, 236720, 269940, 330063, 355080, 359920, 440084, 539880, 550105, 660126, 710160, 880168, 1079760, 1100210, 1210231, 1320252, 1650315, 1760336, 2200420, 2420462, 2640504, 3300630, 3630693, 4400840, 4840924, 5281008, 6051155, 6601260, 7261386, 8801680, 9681848, 12102310, 13202520, 14522772, 18153465, 19363696, 24204620, 26405040, 29045544, 36306930, 48409240, 58091088, 72613860, 96818480, 145227720, 290455440]

約数ペア:

[(1, 290455440), (2, 145227720), (3, 96818480), (4, 72613860), (5, 58091088), (6, 48409240), (8, 36306930), (10, 29045544), (11, 26405040), (12, 24204620), (15, 19363696), (16, 18153465), (20, 14522772), (22, 13202520), (24, 12102310), (30, 9681848), (33, 8801680), (40, 7261386), (44, 6601260), (48, 6051155), (55, 5281008), (60, 4840924), (66, 4400840), (80, 3630693), (88, 3300630), (110, 2640504), (120, 2420462), (132, 2200420), (165, 1760336), (176, 1650315), (220, 1320252), (240, 1210231), (264, 1100210), (269, 1079760), (330, 880168), (409, 710160), (440, 660126), (528, 550105), (538, 539880), (660, 440084), (807, 359920), (818, 355080), (880, 330063), (1076, 269940), (1227, 236720), (1320, 220042), (1345, 215952), (1614, 179960), (1636, 177540), (2045, 142032), (2152, 134970), (2454, 118360), (2640, 110021), (2690, 107976), (2959, 98160), (3228, 89980), (3272, 88770), (4035, 71984), (4090, 71016), (4304, 67485), (4499, 64560), (4908, 59180), (5380, 53988), (5918, 49080), (6135, 47344), (6456, 44990), (6544, 44385), (8070, 35992), (8180, 35508), (8877, 32720), (8998, 32280), (9816, 29590), (10760, 26994), (11836, 24540), (12270, 23672), (12912, 22495), (13497, 21520), (14795, 19632), (16140, 17996), (16360, 17754)]