28994760

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 103521600

約数和(自身を除く): 74526840

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, 76, 81, 90, 95, 108, 114, 120, 135, 152, 157, 162, 171, 180, 190, 216, 228, 243, 270, 285, 314, 324, 342, 360, 380, 405, 456, 471, 486, 513, 540, 570, 628, 648, 684, 760, 785, 810, 855, 942, 972, 1026, 1080, 1140, 1215, 1256, 1368, 1413, 1539, 1570, 1620, 1710, 1884, 1944, 2052, 2280, 2355, 2430, 2565, 2826, 2983, 3078, 3140, 3240, 3420, 3768, 4104, 4239, 4617, 4710, 4860, 5130, 5652, 5966, 6156, 6280, 6840, 7065, 7695, 8478, 8949, 9234, 9420, 9720, 10260, 11304, 11932, 12312, 12717, 14130, 14915, 15390, 16956, 17898, 18468, 18840, 20520, 21195, 23085, 23864, 25434, 26847, 28260, 29830, 30780, 33912, 35796, 36936, 38151, 42390, 44745, 46170, 50868, 53694, 56520, 59660, 61560, 63585, 71592, 76302, 80541, 84780, 89490, 92340, 101736, 107388, 119320, 127170, 134235, 152604, 161082, 169560, 178980, 184680, 190755, 214776, 241623, 254340, 268470, 305208, 322164, 357960, 381510, 402705, 483246, 508680, 536940, 644328, 724869, 763020, 805410, 966492, 1073880, 1208115, 1449738, 1526040, 1610820, 1932984, 2416230, 2899476, 3221640, 3624345, 4832460, 5798952, 7248690, 9664920, 14497380, 28994760]

約数ペア:

[(1, 28994760), (2, 14497380), (3, 9664920), (4, 7248690), (5, 5798952), (6, 4832460), (8, 3624345), (9, 3221640), (10, 2899476), (12, 2416230), (15, 1932984), (18, 1610820), (19, 1526040), (20, 1449738), (24, 1208115), (27, 1073880), (30, 966492), (36, 805410), (38, 763020), (40, 724869), (45, 644328), (54, 536940), (57, 508680), (60, 483246), (72, 402705), (76, 381510), (81, 357960), (90, 322164), (95, 305208), (108, 268470), (114, 254340), (120, 241623), (135, 214776), (152, 190755), (157, 184680), (162, 178980), (171, 169560), (180, 161082), (190, 152604), (216, 134235), (228, 127170), (243, 119320), (270, 107388), (285, 101736), (314, 92340), (324, 89490), (342, 84780), (360, 80541), (380, 76302), (405, 71592), (456, 63585), (471, 61560), (486, 59660), (513, 56520), (540, 53694), (570, 50868), (628, 46170), (648, 44745), (684, 42390), (760, 38151), (785, 36936), (810, 35796), (855, 33912), (942, 30780), (972, 29830), (1026, 28260), (1080, 26847), (1140, 25434), (1215, 23864), (1256, 23085), (1368, 21195), (1413, 20520), (1539, 18840), (1570, 18468), (1620, 17898), (1710, 16956), (1884, 15390), (1944, 14915), (2052, 14130), (2280, 12717), (2355, 12312), (2430, 11932), (2565, 11304), (2826, 10260), (2983, 9720), (3078, 9420), (3140, 9234), (3240, 8949), (3420, 8478), (3768, 7695), (4104, 7065), (4239, 6840), (4617, 6280), (4710, 6156), (4860, 5966), (5130, 5652)]