90423280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 231306624

約数和(自身を除く): 140883344

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 101, 124, 152, 155, 190, 202, 248, 304, 310, 361, 380, 404, 496, 505, 589, 620, 722, 760, 808, 1010, 1178, 1240, 1444, 1520, 1616, 1805, 1919, 2020, 2356, 2480, 2888, 2945, 3131, 3610, 3838, 4040, 4712, 5776, 5890, 6262, 7220, 7676, 8080, 9424, 9595, 11191, 11780, 12524, 14440, 15352, 15655, 19190, 22382, 23560, 25048, 28880, 30704, 31310, 36461, 38380, 44764, 47120, 50096, 55955, 59489, 62620, 72922, 76760, 89528, 111910, 118978, 125240, 145844, 153520, 179056, 182305, 223820, 237956, 250480, 291688, 297445, 364610, 447640, 475912, 583376, 594890, 729220, 895280, 951824, 1130291, 1189780, 1458440, 2260582, 2379560, 2916880, 4521164, 4759120, 5651455, 9042328, 11302910, 18084656, 22605820, 45211640, 90423280]

約数ペア:

[(1, 90423280), (2, 45211640), (4, 22605820), (5, 18084656), (8, 11302910), (10, 9042328), (16, 5651455), (19, 4759120), (20, 4521164), (31, 2916880), (38, 2379560), (40, 2260582), (62, 1458440), (76, 1189780), (80, 1130291), (95, 951824), (101, 895280), (124, 729220), (152, 594890), (155, 583376), (190, 475912), (202, 447640), (248, 364610), (304, 297445), (310, 291688), (361, 250480), (380, 237956), (404, 223820), (496, 182305), (505, 179056), (589, 153520), (620, 145844), (722, 125240), (760, 118978), (808, 111910), (1010, 89528), (1178, 76760), (1240, 72922), (1444, 62620), (1520, 59489), (1616, 55955), (1805, 50096), (1919, 47120), (2020, 44764), (2356, 38380), (2480, 36461), (2888, 31310), (2945, 30704), (3131, 28880), (3610, 25048), (3838, 23560), (4040, 22382), (4712, 19190), (5776, 15655), (5890, 15352), (6262, 14440), (7220, 12524), (7676, 11780), (8080, 11191), (9424, 9595)]