178103940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 192

約数和(自身を含む): 597133824

約数和(自身を除く): 419029884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 73, 74, 84, 105, 111, 140, 146, 148, 157, 185, 210, 219, 222, 259, 292, 314, 365, 370, 420, 438, 444, 471, 511, 518, 555, 628, 730, 740, 777, 785, 876, 942, 1022, 1036, 1095, 1099, 1110, 1295, 1460, 1533, 1554, 1570, 1884, 2044, 2190, 2198, 2220, 2355, 2555, 2590, 2701, 3066, 3108, 3140, 3297, 3885, 4380, 4396, 4710, 5110, 5180, 5402, 5495, 5809, 6132, 6594, 7665, 7770, 8103, 9420, 10220, 10804, 10990, 11461, 11618, 13188, 13505, 15330, 15540, 16206, 16485, 17427, 18907, 21980, 22922, 23236, 27010, 29045, 30660, 32412, 32970, 34383, 34854, 37814, 40515, 40663, 45844, 54020, 56721, 57305, 58090, 65940, 68766, 69708, 75628, 80227, 81030, 81326, 87135, 94535, 113442, 114610, 116180, 121989, 137532, 160454, 162060, 162652, 171915, 174270, 189070, 203315, 226884, 229220, 240681, 243978, 283605, 320908, 343830, 348540, 378140, 401135, 406630, 424057, 481362, 487956, 567210, 609945, 687660, 802270, 813260, 848114, 962724, 1134420, 1203405, 1219890, 1272171, 1604540, 1696228, 2120285, 2406810, 2439780, 2544342, 2968399, 4240570, 4813620, 5088684, 5936798, 6360855, 8481140, 8905197, 11873596, 12721710, 14841995, 17810394, 25443420, 29683990, 35620788, 44525985, 59367980, 89051970, 178103940]

約数ペア:

[(1, 178103940), (2, 89051970), (3, 59367980), (4, 44525985), (5, 35620788), (6, 29683990), (7, 25443420), (10, 17810394), (12, 14841995), (14, 12721710), (15, 11873596), (20, 8905197), (21, 8481140), (28, 6360855), (30, 5936798), (35, 5088684), (37, 4813620), (42, 4240570), (60, 2968399), (70, 2544342), (73, 2439780), (74, 2406810), (84, 2120285), (105, 1696228), (111, 1604540), (140, 1272171), (146, 1219890), (148, 1203405), (157, 1134420), (185, 962724), (210, 848114), (219, 813260), (222, 802270), (259, 687660), (292, 609945), (314, 567210), (365, 487956), (370, 481362), (420, 424057), (438, 406630), (444, 401135), (471, 378140), (511, 348540), (518, 343830), (555, 320908), (628, 283605), (730, 243978), (740, 240681), (777, 229220), (785, 226884), (876, 203315), (942, 189070), (1022, 174270), (1036, 171915), (1095, 162652), (1099, 162060), (1110, 160454), (1295, 137532), (1460, 121989), (1533, 116180), (1554, 114610), (1570, 113442), (1884, 94535), (2044, 87135), (2190, 81326), (2198, 81030), (2220, 80227), (2355, 75628), (2555, 69708), (2590, 68766), (2701, 65940), (3066, 58090), (3108, 57305), (3140, 56721), (3297, 54020), (3885, 45844), (4380, 40663), (4396, 40515), (4710, 37814), (5110, 34854), (5180, 34383), (5402, 32970), (5495, 32412), (5809, 30660), (6132, 29045), (6594, 27010), (7665, 23236), (7770, 22922), (8103, 21980), (9420, 18907), (10220, 17427), (10804, 16485), (10990, 16206), (11461, 15540), (11618, 15330), (13188, 13505)]