243376140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{82781}}^1$

素因数の和:82807

約数の個数: 72

約数和(自身を含む): 792720432

約数和(自身を除く): 549344292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 82781, 165562, 248343, 331124, 413905, 496686, 579467, 827810, 993372, 1158934, 1241715, 1655620, 1738401, 2317868, 2483430, 2897335, 3476802, 4056269, 4966860, 5794670, 6953604, 8112538, 8692005, 11589340, 12168807, 16225076, 17384010, 20281345, 24337614, 34768020, 40562690, 48675228, 60844035, 81125380, 121688070, 243376140]

約数ペア:

[(1, 243376140), (2, 121688070), (3, 81125380), (4, 60844035), (5, 48675228), (6, 40562690), (7, 34768020), (10, 24337614), (12, 20281345), (14, 17384010), (15, 16225076), (20, 12168807), (21, 11589340), (28, 8692005), (30, 8112538), (35, 6953604), (42, 5794670), (49, 4966860), (60, 4056269), (70, 3476802), (84, 2897335), (98, 2483430), (105, 2317868), (140, 1738401), (147, 1655620), (196, 1241715), (210, 1158934), (245, 993372), (294, 827810), (420, 579467), (490, 496686), (588, 413905), (735, 331124), (980, 248343), (1470, 165562), (2940, 82781)]