38787420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 128701440

約数和(自身を除く): 89914020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 167, 196, 210, 237, 245, 294, 316, 334, 395, 420, 474, 490, 501, 553, 588, 668, 735, 790, 835, 948, 980, 1002, 1106, 1169, 1185, 1470, 1580, 1659, 1670, 2004, 2212, 2338, 2370, 2505, 2765, 2940, 3318, 3340, 3507, 3871, 4676, 4740, 5010, 5530, 5845, 6636, 7014, 7742, 8183, 8295, 10020, 11060, 11613, 11690, 13193, 14028, 15484, 16366, 16590, 17535, 19355, 23226, 23380, 24549, 26386, 32732, 33180, 35070, 38710, 39579, 40915, 46452, 49098, 52772, 58065, 65965, 70140, 77420, 79158, 81830, 92351, 98196, 116130, 122745, 131930, 158316, 163660, 184702, 197895, 232260, 245490, 263860, 277053, 369404, 395790, 461755, 490980, 554106, 646457, 791580, 923510, 1108212, 1292914, 1385265, 1847020, 1939371, 2585828, 2770530, 3232285, 3878742, 5541060, 6464570, 7757484, 9696855, 12929140, 19393710, 38787420]

約数ペア:

[(1, 38787420), (2, 19393710), (3, 12929140), (4, 9696855), (5, 7757484), (6, 6464570), (7, 5541060), (10, 3878742), (12, 3232285), (14, 2770530), (15, 2585828), (20, 1939371), (21, 1847020), (28, 1385265), (30, 1292914), (35, 1108212), (42, 923510), (49, 791580), (60, 646457), (70, 554106), (79, 490980), (84, 461755), (98, 395790), (105, 369404), (140, 277053), (147, 263860), (158, 245490), (167, 232260), (196, 197895), (210, 184702), (237, 163660), (245, 158316), (294, 131930), (316, 122745), (334, 116130), (395, 98196), (420, 92351), (474, 81830), (490, 79158), (501, 77420), (553, 70140), (588, 65965), (668, 58065), (735, 52772), (790, 49098), (835, 46452), (948, 40915), (980, 39579), (1002, 38710), (1106, 35070), (1169, 33180), (1185, 32732), (1470, 26386), (1580, 24549), (1659, 23380), (1670, 23226), (2004, 19355), (2212, 17535), (2338, 16590), (2370, 16366), (2505, 15484), (2765, 14028), (2940, 13193), (3318, 11690), (3340, 11613), (3507, 11060), (3871, 10020), (4676, 8295), (4740, 8183), (5010, 7742), (5530, 7014), (5845, 6636)]