40194720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 144

約数和(自身を含む): 139007232

約数和(自身を除く): 98812512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 103, 120, 144, 160, 180, 206, 240, 271, 288, 309, 360, 412, 480, 515, 542, 618, 720, 813, 824, 927, 1030, 1084, 1236, 1355, 1440, 1545, 1626, 1648, 1854, 2060, 2168, 2439, 2472, 2710, 3090, 3252, 3296, 3708, 4065, 4120, 4336, 4635, 4878, 4944, 5420, 6180, 6504, 7416, 8130, 8240, 8672, 9270, 9756, 9888, 10840, 12195, 12360, 13008, 14832, 16260, 16480, 18540, 19512, 21680, 24390, 24720, 26016, 27913, 29664, 32520, 37080, 39024, 43360, 48780, 49440, 55826, 65040, 74160, 78048, 83739, 97560, 111652, 130080, 139565, 148320, 167478, 195120, 223304, 251217, 279130, 334956, 390240, 418695, 446608, 502434, 558260, 669912, 837390, 893216, 1004868, 1116520, 1256085, 1339824, 1674780, 2009736, 2233040, 2512170, 2679648, 3349560, 4019472, 4466080, 5024340, 6699120, 8038944, 10048680, 13398240, 20097360, 40194720]

約数ペア:

[(1, 40194720), (2, 20097360), (3, 13398240), (4, 10048680), (5, 8038944), (6, 6699120), (8, 5024340), (9, 4466080), (10, 4019472), (12, 3349560), (15, 2679648), (16, 2512170), (18, 2233040), (20, 2009736), (24, 1674780), (30, 1339824), (32, 1256085), (36, 1116520), (40, 1004868), (45, 893216), (48, 837390), (60, 669912), (72, 558260), (80, 502434), (90, 446608), (96, 418695), (103, 390240), (120, 334956), (144, 279130), (160, 251217), (180, 223304), (206, 195120), (240, 167478), (271, 148320), (288, 139565), (309, 130080), (360, 111652), (412, 97560), (480, 83739), (515, 78048), (542, 74160), (618, 65040), (720, 55826), (813, 49440), (824, 48780), (927, 43360), (1030, 39024), (1084, 37080), (1236, 32520), (1355, 29664), (1440, 27913), (1545, 26016), (1626, 24720), (1648, 24390), (1854, 21680), (2060, 19512), (2168, 18540), (2439, 16480), (2472, 16260), (2710, 14832), (3090, 13008), (3252, 12360), (3296, 12195), (3708, 10840), (4065, 9888), (4120, 9756), (4336, 9270), (4635, 8672), (4878, 8240), (4944, 8130), (5420, 7416), (6180, 6504)]