28461240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 101498400

約数和(自身を除く): 73037160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 73, 76, 90, 95, 108, 114, 120, 135, 146, 152, 171, 180, 190, 216, 219, 228, 270, 285, 292, 342, 360, 361, 365, 380, 438, 456, 513, 540, 570, 584, 657, 684, 722, 730, 760, 855, 876, 1026, 1080, 1083, 1095, 1140, 1314, 1368, 1387, 1444, 1460, 1710, 1752, 1805, 1971, 2052, 2166, 2190, 2280, 2565, 2628, 2774, 2888, 2920, 3249, 3285, 3420, 3610, 3942, 4104, 4161, 4332, 4380, 5130, 5256, 5415, 5548, 6498, 6570, 6840, 6935, 7220, 7884, 8322, 8664, 8760, 9747, 9855, 10260, 10830, 11096, 12483, 12996, 13140, 13870, 14440, 15768, 16245, 16644, 19494, 19710, 20520, 20805, 21660, 24966, 25992, 26280, 26353, 27740, 32490, 33288, 37449, 38988, 39420, 41610, 43320, 48735, 49932, 52706, 55480, 62415, 64980, 74898, 77976, 78840, 79059, 83220, 97470, 99864, 105412, 124830, 129960, 131765, 149796, 158118, 166440, 187245, 194940, 210824, 237177, 249660, 263530, 299592, 316236, 374490, 389880, 395295, 474354, 499320, 527060, 632472, 711531, 748980, 790590, 948708, 1054120, 1185885, 1423062, 1497960, 1581180, 1897416, 2371770, 2846124, 3162360, 3557655, 4743540, 5692248, 7115310, 9487080, 14230620, 28461240]

約数ペア:

[(1, 28461240), (2, 14230620), (3, 9487080), (4, 7115310), (5, 5692248), (6, 4743540), (8, 3557655), (9, 3162360), (10, 2846124), (12, 2371770), (15, 1897416), (18, 1581180), (19, 1497960), (20, 1423062), (24, 1185885), (27, 1054120), (30, 948708), (36, 790590), (38, 748980), (40, 711531), (45, 632472), (54, 527060), (57, 499320), (60, 474354), (72, 395295), (73, 389880), (76, 374490), (90, 316236), (95, 299592), (108, 263530), (114, 249660), (120, 237177), (135, 210824), (146, 194940), (152, 187245), (171, 166440), (180, 158118), (190, 149796), (216, 131765), (219, 129960), (228, 124830), (270, 105412), (285, 99864), (292, 97470), (342, 83220), (360, 79059), (361, 78840), (365, 77976), (380, 74898), (438, 64980), (456, 62415), (513, 55480), (540, 52706), (570, 49932), (584, 48735), (657, 43320), (684, 41610), (722, 39420), (730, 38988), (760, 37449), (855, 33288), (876, 32490), (1026, 27740), (1080, 26353), (1083, 26280), (1095, 25992), (1140, 24966), (1314, 21660), (1368, 20805), (1387, 20520), (1444, 19710), (1460, 19494), (1710, 16644), (1752, 16245), (1805, 15768), (1971, 14440), (2052, 13870), (2166, 13140), (2190, 12996), (2280, 12483), (2565, 11096), (2628, 10830), (2774, 10260), (2888, 9855), (2920, 9747), (3249, 8760), (3285, 8664), (3420, 8322), (3610, 7884), (3942, 7220), (4104, 6935), (4161, 6840), (4332, 6570), (4380, 6498), (5130, 5548), (5256, 5415)]