1488890920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{569}}^1$

素因数の和:923

約数の個数: 128

約数和(自身を含む): 3865968000

約数和(自身を除く): 2377077080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 313, 380, 418, 440, 569, 626, 760, 836, 1045, 1138, 1252, 1565, 1672, 2090, 2276, 2504, 2845, 3130, 3443, 4180, 4552, 5690, 5947, 6259, 6260, 6886, 8360, 10811, 11380, 11894, 12518, 12520, 13772, 17215, 21622, 22760, 23788, 25036, 27544, 29735, 31295, 34430, 43244, 47576, 50072, 54055, 59470, 62590, 65417, 68860, 86488, 108110, 118921, 118940, 125180, 130834, 137720, 178097, 216220, 237842, 237880, 250360, 261668, 327085, 356194, 432440, 475684, 523336, 594605, 654170, 712388, 890485, 951368, 1189210, 1308340, 1424776, 1780970, 1959067, 2378420, 2616680, 3383843, 3561940, 3918134, 4756840, 6767686, 7123880, 7836268, 9795335, 13535372, 15672536, 16919215, 19590670, 27070744, 33838430, 37222273, 39181340, 67676860, 74444546, 78362680, 135353720, 148889092, 186111365, 297778184, 372222730, 744445460, 1488890920]

約数ペア:

[(1, 1488890920), (2, 744445460), (4, 372222730), (5, 297778184), (8, 186111365), (10, 148889092), (11, 135353720), (19, 78362680), (20, 74444546), (22, 67676860), (38, 39181340), (40, 37222273), (44, 33838430), (55, 27070744), (76, 19590670), (88, 16919215), (95, 15672536), (110, 13535372), (152, 9795335), (190, 7836268), (209, 7123880), (220, 6767686), (313, 4756840), (380, 3918134), (418, 3561940), (440, 3383843), (569, 2616680), (626, 2378420), (760, 1959067), (836, 1780970), (1045, 1424776), (1138, 1308340), (1252, 1189210), (1565, 951368), (1672, 890485), (2090, 712388), (2276, 654170), (2504, 594605), (2845, 523336), (3130, 475684), (3443, 432440), (4180, 356194), (4552, 327085), (5690, 261668), (5947, 250360), (6259, 237880), (6260, 237842), (6886, 216220), (8360, 178097), (10811, 137720), (11380, 130834), (11894, 125180), (12518, 118940), (12520, 118921), (13772, 108110), (17215, 86488), (21622, 68860), (22760, 65417), (23788, 62590), (25036, 59470), (27544, 54055), (29735, 50072), (31295, 47576), (34430, 43244)]