123871560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1287

約数の個数: 128

約数和(自身を含む): 398580480

約数和(自身を除く): 274708920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 851, 888, 920, 1110, 1213, 1380, 1480, 1702, 2220, 2426, 2553, 2760, 3404, 3639, 4255, 4440, 4852, 5106, 6065, 6808, 7278, 8510, 9704, 10212, 12130, 12765, 14556, 17020, 18195, 20424, 24260, 25530, 27899, 29112, 34040, 36390, 44881, 48520, 51060, 55798, 72780, 83697, 89762, 102120, 111596, 134643, 139495, 145560, 167394, 179524, 223192, 224405, 269286, 278990, 334788, 359048, 418485, 448810, 538572, 557980, 669576, 673215, 836970, 897620, 1032263, 1077144, 1115960, 1346430, 1673940, 1795240, 2064526, 2692860, 3096789, 3347880, 4129052, 5161315, 5385720, 6193578, 8258104, 10322630, 12387156, 15483945, 20645260, 24774312, 30967890, 41290520, 61935780, 123871560]

約数ペア:

[(1, 123871560), (2, 61935780), (3, 41290520), (4, 30967890), (5, 24774312), (6, 20645260), (8, 15483945), (10, 12387156), (12, 10322630), (15, 8258104), (20, 6193578), (23, 5385720), (24, 5161315), (30, 4129052), (37, 3347880), (40, 3096789), (46, 2692860), (60, 2064526), (69, 1795240), (74, 1673940), (92, 1346430), (111, 1115960), (115, 1077144), (120, 1032263), (138, 897620), (148, 836970), (184, 673215), (185, 669576), (222, 557980), (230, 538572), (276, 448810), (296, 418485), (345, 359048), (370, 334788), (444, 278990), (460, 269286), (552, 224405), (555, 223192), (690, 179524), (740, 167394), (851, 145560), (888, 139495), (920, 134643), (1110, 111596), (1213, 102120), (1380, 89762), (1480, 83697), (1702, 72780), (2220, 55798), (2426, 51060), (2553, 48520), (2760, 44881), (3404, 36390), (3639, 34040), (4255, 29112), (4440, 27899), (4852, 25530), (5106, 24260), (6065, 20424), (6808, 18195), (7278, 17020), (8510, 14556), (9704, 12765), (10212, 12130)]