156463780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 371226240

約数和(自身を除く): 214762460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 89, 110, 122, 131, 178, 220, 244, 262, 305, 356, 445, 524, 610, 655, 671, 890, 979, 1220, 1310, 1342, 1441, 1780, 1958, 2620, 2684, 2882, 3355, 3916, 4895, 5429, 5764, 6710, 7205, 7991, 9790, 10858, 11659, 13420, 14410, 15982, 19580, 21716, 23318, 27145, 28820, 31964, 39955, 46636, 54290, 58295, 59719, 79910, 87901, 108580, 116590, 119438, 128249, 159820, 175802, 233180, 238876, 256498, 298595, 351604, 439505, 512996, 597190, 641245, 711199, 879010, 1194380, 1282490, 1422398, 1758020, 2564980, 2844796, 3555995, 7111990, 7823189, 14223980, 15646378, 31292756, 39115945, 78231890, 156463780]

約数ペア:

[(1, 156463780), (2, 78231890), (4, 39115945), (5, 31292756), (10, 15646378), (11, 14223980), (20, 7823189), (22, 7111990), (44, 3555995), (55, 2844796), (61, 2564980), (89, 1758020), (110, 1422398), (122, 1282490), (131, 1194380), (178, 879010), (220, 711199), (244, 641245), (262, 597190), (305, 512996), (356, 439505), (445, 351604), (524, 298595), (610, 256498), (655, 238876), (671, 233180), (890, 175802), (979, 159820), (1220, 128249), (1310, 119438), (1342, 116590), (1441, 108580), (1780, 87901), (1958, 79910), (2620, 59719), (2684, 58295), (2882, 54290), (3355, 46636), (3916, 39955), (4895, 31964), (5429, 28820), (5764, 27145), (6710, 23318), (7205, 21716), (7991, 19580), (9790, 15982), (10858, 14410), (11659, 13420)]