15918760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 44271360

約数和(自身を除く): 28352600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 121, 130, 143, 184, 220, 230, 242, 253, 260, 286, 299, 440, 460, 484, 506, 520, 572, 598, 605, 715, 920, 968, 1012, 1144, 1196, 1210, 1265, 1331, 1430, 1495, 1573, 2024, 2392, 2420, 2530, 2662, 2783, 2860, 2990, 3146, 3289, 4840, 5060, 5324, 5566, 5720, 5980, 6292, 6578, 6655, 7865, 10120, 10648, 11132, 11960, 12584, 13156, 13310, 13915, 15730, 16445, 17303, 22264, 26312, 26620, 27830, 30613, 31460, 32890, 34606, 36179, 53240, 55660, 61226, 62920, 65780, 69212, 72358, 86515, 111320, 122452, 131560, 138424, 144716, 153065, 173030, 180895, 244904, 289432, 306130, 346060, 361790, 397969, 612260, 692120, 723580, 795938, 1224520, 1447160, 1591876, 1989845, 3183752, 3979690, 7959380, 15918760]

約数ペア:

[(1, 15918760), (2, 7959380), (4, 3979690), (5, 3183752), (8, 1989845), (10, 1591876), (11, 1447160), (13, 1224520), (20, 795938), (22, 723580), (23, 692120), (26, 612260), (40, 397969), (44, 361790), (46, 346060), (52, 306130), (55, 289432), (65, 244904), (88, 180895), (92, 173030), (104, 153065), (110, 144716), (115, 138424), (121, 131560), (130, 122452), (143, 111320), (184, 86515), (220, 72358), (230, 69212), (242, 65780), (253, 62920), (260, 61226), (286, 55660), (299, 53240), (440, 36179), (460, 34606), (484, 32890), (506, 31460), (520, 30613), (572, 27830), (598, 26620), (605, 26312), (715, 22264), (920, 17303), (968, 16445), (1012, 15730), (1144, 13915), (1196, 13310), (1210, 13156), (1265, 12584), (1331, 11960), (1430, 11132), (1495, 10648), (1573, 10120), (2024, 7865), (2392, 6655), (2420, 6578), (2530, 6292), (2662, 5980), (2783, 5720), (2860, 5566), (2990, 5324), (3146, 5060), (3289, 4840)]