220897980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 705257280

約数和(自身を除く): 484359300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 229, 230, 233, 276, 345, 414, 458, 460, 466, 687, 690, 699, 828, 916, 932, 1035, 1145, 1165, 1374, 1380, 1398, 2061, 2070, 2097, 2290, 2330, 2748, 2796, 3435, 3495, 4122, 4140, 4194, 4580, 4660, 5267, 5359, 6870, 6990, 8244, 8388, 10305, 10485, 10534, 10718, 13740, 13980, 15801, 16077, 20610, 20970, 21068, 21436, 26335, 26795, 31602, 32154, 41220, 41940, 47403, 48231, 52670, 53357, 53590, 63204, 64308, 79005, 80385, 94806, 96462, 105340, 106714, 107180, 158010, 160071, 160770, 189612, 192924, 213428, 237015, 241155, 266785, 316020, 320142, 321540, 474030, 480213, 482310, 533570, 640284, 800355, 948060, 960426, 964620, 1067140, 1227211, 1600710, 1920852, 2401065, 2454422, 3201420, 3681633, 4802130, 4908844, 6136055, 7363266, 9604260, 11044899, 12272110, 14726532, 18408165, 22089798, 24544220, 36816330, 44179596, 55224495, 73632660, 110448990, 220897980]

約数ペア:

[(1, 220897980), (2, 110448990), (3, 73632660), (4, 55224495), (5, 44179596), (6, 36816330), (9, 24544220), (10, 22089798), (12, 18408165), (15, 14726532), (18, 12272110), (20, 11044899), (23, 9604260), (30, 7363266), (36, 6136055), (45, 4908844), (46, 4802130), (60, 3681633), (69, 3201420), (90, 2454422), (92, 2401065), (115, 1920852), (138, 1600710), (180, 1227211), (207, 1067140), (229, 964620), (230, 960426), (233, 948060), (276, 800355), (345, 640284), (414, 533570), (458, 482310), (460, 480213), (466, 474030), (687, 321540), (690, 320142), (699, 316020), (828, 266785), (916, 241155), (932, 237015), (1035, 213428), (1145, 192924), (1165, 189612), (1374, 160770), (1380, 160071), (1398, 158010), (2061, 107180), (2070, 106714), (2097, 105340), (2290, 96462), (2330, 94806), (2748, 80385), (2796, 79005), (3435, 64308), (3495, 63204), (4122, 53590), (4140, 53357), (4194, 52670), (4580, 48231), (4660, 47403), (5267, 41940), (5359, 41220), (6870, 32154), (6990, 31602), (8244, 26795), (8388, 26335), (10305, 21436), (10485, 21068), (10534, 20970), (10718, 20610), (13740, 16077), (13980, 15801)]