128732640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{997}}^1$

素因数の和:1284

約数の個数: 96

約数和(自身を含む): 407423520

約数和(自身を除く): 278690880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 269, 480, 538, 807, 997, 1076, 1345, 1614, 1994, 2152, 2690, 2991, 3228, 3988, 4035, 4304, 4985, 5380, 5982, 6456, 7976, 8070, 8608, 9970, 10760, 11964, 12912, 14955, 15952, 16140, 19940, 21520, 23928, 25824, 29910, 31904, 32280, 39880, 43040, 47856, 59820, 64560, 79760, 95712, 119640, 129120, 159520, 239280, 268193, 478560, 536386, 804579, 1072772, 1340965, 1609158, 2145544, 2681930, 3218316, 4022895, 4291088, 5363860, 6436632, 8045790, 8582176, 10727720, 12873264, 16091580, 21455440, 25746528, 32183160, 42910880, 64366320, 128732640]

約数ペア:

[(1, 128732640), (2, 64366320), (3, 42910880), (4, 32183160), (5, 25746528), (6, 21455440), (8, 16091580), (10, 12873264), (12, 10727720), (15, 8582176), (16, 8045790), (20, 6436632), (24, 5363860), (30, 4291088), (32, 4022895), (40, 3218316), (48, 2681930), (60, 2145544), (80, 1609158), (96, 1340965), (120, 1072772), (160, 804579), (240, 536386), (269, 478560), (480, 268193), (538, 239280), (807, 159520), (997, 129120), (1076, 119640), (1345, 95712), (1614, 79760), (1994, 64560), (2152, 59820), (2690, 47856), (2991, 43040), (3228, 39880), (3988, 32280), (4035, 31904), (4304, 29910), (4985, 25824), (5380, 23928), (5982, 21520), (6456, 19940), (7976, 16140), (8070, 15952), (8608, 14955), (9970, 12912), (10760, 11964)]