1444142440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1043

約数の個数: 128

約数和(自身を含む): 3652024320

約数和(自身を除く): 2207881880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 101, 104, 124, 130, 155, 202, 248, 260, 310, 403, 404, 505, 520, 620, 806, 808, 887, 1010, 1240, 1313, 1612, 1774, 2015, 2020, 2626, 3131, 3224, 3548, 4030, 4040, 4435, 5252, 6262, 6565, 7096, 8060, 8870, 10504, 11531, 12524, 13130, 15655, 16120, 17740, 23062, 25048, 26260, 27497, 31310, 35480, 40703, 46124, 52520, 54994, 57655, 62620, 81406, 89587, 92248, 109988, 115310, 125240, 137485, 162812, 179174, 203515, 219976, 230620, 274970, 325624, 357461, 358348, 407030, 447935, 461240, 549940, 714922, 716696, 814060, 895870, 1099880, 1164631, 1429844, 1628120, 1787305, 1791740, 2329262, 2777197, 2859688, 3574610, 3583480, 4658524, 5554394, 5823155, 7149220, 9317048, 11108788, 11646310, 13885985, 14298440, 22217576, 23292620, 27771970, 36103561, 46585240, 55543940, 72207122, 111087880, 144414244, 180517805, 288828488, 361035610, 722071220, 1444142440]

約数ペア:

[(1, 1444142440), (2, 722071220), (4, 361035610), (5, 288828488), (8, 180517805), (10, 144414244), (13, 111087880), (20, 72207122), (26, 55543940), (31, 46585240), (40, 36103561), (52, 27771970), (62, 23292620), (65, 22217576), (101, 14298440), (104, 13885985), (124, 11646310), (130, 11108788), (155, 9317048), (202, 7149220), (248, 5823155), (260, 5554394), (310, 4658524), (403, 3583480), (404, 3574610), (505, 2859688), (520, 2777197), (620, 2329262), (806, 1791740), (808, 1787305), (887, 1628120), (1010, 1429844), (1240, 1164631), (1313, 1099880), (1612, 895870), (1774, 814060), (2015, 716696), (2020, 714922), (2626, 549940), (3131, 461240), (3224, 447935), (3548, 407030), (4030, 358348), (4040, 357461), (4435, 325624), (5252, 274970), (6262, 230620), (6565, 219976), (7096, 203515), (8060, 179174), (8870, 162812), (10504, 137485), (11531, 125240), (12524, 115310), (13130, 109988), (15655, 92248), (16120, 89587), (17740, 81406), (23062, 62620), (25048, 57655), (26260, 54994), (27497, 52520), (31310, 46124), (35480, 40703)]