1428319880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1339

約数の個数: 128

約数和(自身を含む): 3615706080

約数和(自身を除く): 2187386200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 61, 65, 74, 104, 122, 130, 148, 185, 244, 260, 296, 305, 370, 481, 488, 520, 610, 740, 793, 962, 1217, 1220, 1480, 1586, 1924, 2257, 2405, 2434, 2440, 3172, 3848, 3965, 4514, 4810, 4868, 6085, 6344, 7930, 9028, 9620, 9736, 11285, 12170, 15821, 15860, 18056, 19240, 22570, 24340, 29341, 31642, 31720, 45029, 45140, 48680, 58682, 63284, 74237, 79105, 90058, 90280, 117364, 126568, 146705, 148474, 158210, 180116, 225145, 234728, 293410, 296948, 316420, 360232, 371185, 450290, 585377, 586820, 593896, 632840, 742370, 900580, 965081, 1170754, 1173640, 1484740, 1801160, 1930162, 2341508, 2746769, 2926885, 2969480, 3860324, 4683016, 4825405, 5493538, 5853770, 7720648, 9650810, 10987076, 11707540, 13733845, 19301620, 21974152, 23415080, 27467690, 35707997, 38603240, 54935380, 71415994, 109870760, 142831988, 178539985, 285663976, 357079970, 714159940, 1428319880]

約数ペア:

[(1, 1428319880), (2, 714159940), (4, 357079970), (5, 285663976), (8, 178539985), (10, 142831988), (13, 109870760), (20, 71415994), (26, 54935380), (37, 38603240), (40, 35707997), (52, 27467690), (61, 23415080), (65, 21974152), (74, 19301620), (104, 13733845), (122, 11707540), (130, 10987076), (148, 9650810), (185, 7720648), (244, 5853770), (260, 5493538), (296, 4825405), (305, 4683016), (370, 3860324), (481, 2969480), (488, 2926885), (520, 2746769), (610, 2341508), (740, 1930162), (793, 1801160), (962, 1484740), (1217, 1173640), (1220, 1170754), (1480, 965081), (1586, 900580), (1924, 742370), (2257, 632840), (2405, 593896), (2434, 586820), (2440, 585377), (3172, 450290), (3848, 371185), (3965, 360232), (4514, 316420), (4810, 296948), (4868, 293410), (6085, 234728), (6344, 225145), (7930, 180116), (9028, 158210), (9620, 148474), (9736, 146705), (11285, 126568), (12170, 117364), (15821, 90280), (15860, 90058), (18056, 79105), (19240, 74237), (22570, 63284), (24340, 58682), (29341, 48680), (31642, 45140), (31720, 45029)]