38416860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 125798400

約数和(自身を除く): 87381540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 239, 282, 285, 342, 380, 423, 470, 478, 564, 570, 684, 705, 717, 846, 855, 893, 940, 956, 1140, 1195, 1410, 1434, 1692, 1710, 1786, 2115, 2151, 2390, 2679, 2820, 2868, 3420, 3572, 3585, 4230, 4302, 4465, 4541, 4780, 5358, 7170, 8037, 8460, 8604, 8930, 9082, 10716, 10755, 11233, 13395, 13623, 14340, 16074, 17860, 18164, 21510, 22466, 22705, 26790, 27246, 32148, 33699, 40185, 40869, 43020, 44932, 45410, 53580, 54492, 56165, 67398, 68115, 80370, 81738, 90820, 101097, 112330, 134796, 136230, 160740, 163476, 168495, 202194, 204345, 213427, 224660, 272460, 336990, 404388, 408690, 426854, 505485, 640281, 673980, 817380, 853708, 1010970, 1067135, 1280562, 1920843, 2021940, 2134270, 2561124, 3201405, 3841686, 4268540, 6402810, 7683372, 9604215, 12805620, 19208430, 38416860]

約数ペア:

[(1, 38416860), (2, 19208430), (3, 12805620), (4, 9604215), (5, 7683372), (6, 6402810), (9, 4268540), (10, 3841686), (12, 3201405), (15, 2561124), (18, 2134270), (19, 2021940), (20, 1920843), (30, 1280562), (36, 1067135), (38, 1010970), (45, 853708), (47, 817380), (57, 673980), (60, 640281), (76, 505485), (90, 426854), (94, 408690), (95, 404388), (114, 336990), (141, 272460), (171, 224660), (180, 213427), (188, 204345), (190, 202194), (228, 168495), (235, 163476), (239, 160740), (282, 136230), (285, 134796), (342, 112330), (380, 101097), (423, 90820), (470, 81738), (478, 80370), (564, 68115), (570, 67398), (684, 56165), (705, 54492), (717, 53580), (846, 45410), (855, 44932), (893, 43020), (940, 40869), (956, 40185), (1140, 33699), (1195, 32148), (1410, 27246), (1434, 26790), (1692, 22705), (1710, 22466), (1786, 21510), (2115, 18164), (2151, 17860), (2390, 16074), (2679, 14340), (2820, 13623), (2868, 13395), (3420, 11233), (3572, 10755), (3585, 10716), (4230, 9082), (4302, 8930), (4465, 8604), (4541, 8460), (4780, 8037), (5358, 7170)]