129245580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 406224000

約数和(自身を除く): 276978420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 79, 90, 122, 149, 158, 180, 183, 237, 244, 298, 305, 316, 366, 395, 447, 474, 549, 596, 610, 711, 732, 745, 790, 894, 915, 948, 1098, 1185, 1220, 1341, 1422, 1490, 1580, 1788, 1830, 2196, 2235, 2370, 2682, 2745, 2844, 2980, 3555, 3660, 4470, 4740, 4819, 5364, 5490, 6705, 7110, 8940, 9089, 9638, 10980, 11771, 13410, 14220, 14457, 18178, 19276, 23542, 24095, 26820, 27267, 28914, 35313, 36356, 43371, 45445, 47084, 48190, 54534, 57828, 58855, 70626, 72285, 81801, 86742, 90890, 96380, 105939, 109068, 117710, 136335, 141252, 144570, 163602, 173484, 176565, 181780, 211878, 216855, 235420, 272670, 289140, 327204, 353130, 409005, 423756, 433710, 529695, 545340, 706260, 718031, 818010, 867420, 1059390, 1436062, 1636020, 2118780, 2154093, 2872124, 3590155, 4308186, 6462279, 7180310, 8616372, 10770465, 12924558, 14360620, 21540930, 25849116, 32311395, 43081860, 64622790, 129245580]

約数ペア:

[(1, 129245580), (2, 64622790), (3, 43081860), (4, 32311395), (5, 25849116), (6, 21540930), (9, 14360620), (10, 12924558), (12, 10770465), (15, 8616372), (18, 7180310), (20, 6462279), (30, 4308186), (36, 3590155), (45, 2872124), (60, 2154093), (61, 2118780), (79, 1636020), (90, 1436062), (122, 1059390), (149, 867420), (158, 818010), (180, 718031), (183, 706260), (237, 545340), (244, 529695), (298, 433710), (305, 423756), (316, 409005), (366, 353130), (395, 327204), (447, 289140), (474, 272670), (549, 235420), (596, 216855), (610, 211878), (711, 181780), (732, 176565), (745, 173484), (790, 163602), (894, 144570), (915, 141252), (948, 136335), (1098, 117710), (1185, 109068), (1220, 105939), (1341, 96380), (1422, 90890), (1490, 86742), (1580, 81801), (1788, 72285), (1830, 70626), (2196, 58855), (2235, 57828), (2370, 54534), (2682, 48190), (2745, 47084), (2844, 45445), (2980, 43371), (3555, 36356), (3660, 35313), (4470, 28914), (4740, 27267), (4819, 26820), (5364, 24095), (5490, 23542), (6705, 19276), (7110, 18178), (8940, 14457), (9089, 14220), (9638, 13410), (10980, 11771)]