128055420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:532

約数の個数: 144

約数和(自身を含む): 409473792

約数和(自身を除く): 281418372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 53, 60, 62, 90, 93, 106, 124, 155, 159, 180, 186, 212, 265, 279, 310, 318, 372, 433, 465, 477, 530, 558, 620, 636, 795, 866, 930, 954, 1060, 1116, 1299, 1395, 1590, 1643, 1732, 1860, 1908, 2165, 2385, 2598, 2790, 3180, 3286, 3897, 4330, 4770, 4929, 5196, 5580, 6495, 6572, 7794, 8215, 8660, 9540, 9858, 12990, 13423, 14787, 15588, 16430, 19485, 19716, 22949, 24645, 25980, 26846, 29574, 32860, 38970, 40269, 45898, 49290, 53692, 59148, 67115, 68847, 73935, 77940, 80538, 91796, 98580, 114745, 120807, 134230, 137694, 147870, 161076, 201345, 206541, 229490, 241614, 268460, 275388, 295740, 344235, 402690, 413082, 458980, 483228, 604035, 688470, 711419, 805380, 826164, 1032705, 1208070, 1376940, 1422838, 2065410, 2134257, 2416140, 2845676, 3557095, 4130820, 4268514, 6402771, 7114190, 8537028, 10671285, 12805542, 14228380, 21342570, 25611084, 32013855, 42685140, 64027710, 128055420]

約数ペア:

[(1, 128055420), (2, 64027710), (3, 42685140), (4, 32013855), (5, 25611084), (6, 21342570), (9, 14228380), (10, 12805542), (12, 10671285), (15, 8537028), (18, 7114190), (20, 6402771), (30, 4268514), (31, 4130820), (36, 3557095), (45, 2845676), (53, 2416140), (60, 2134257), (62, 2065410), (90, 1422838), (93, 1376940), (106, 1208070), (124, 1032705), (155, 826164), (159, 805380), (180, 711419), (186, 688470), (212, 604035), (265, 483228), (279, 458980), (310, 413082), (318, 402690), (372, 344235), (433, 295740), (465, 275388), (477, 268460), (530, 241614), (558, 229490), (620, 206541), (636, 201345), (795, 161076), (866, 147870), (930, 137694), (954, 134230), (1060, 120807), (1116, 114745), (1299, 98580), (1395, 91796), (1590, 80538), (1643, 77940), (1732, 73935), (1860, 68847), (1908, 67115), (2165, 59148), (2385, 53692), (2598, 49290), (2790, 45898), (3180, 40269), (3286, 38970), (3897, 32860), (4330, 29574), (4770, 26846), (4929, 25980), (5196, 24645), (5580, 22949), (6495, 19716), (6572, 19485), (7794, 16430), (8215, 15588), (8660, 14787), (9540, 13423), (9858, 12990)]