221651460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1522

約数の個数: 144

約数和(自身を含む): 721034496

約数和(自身を除く): 499383036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 37, 45, 46, 60, 69, 74, 90, 92, 111, 115, 138, 148, 180, 185, 207, 222, 230, 276, 333, 345, 370, 414, 444, 460, 555, 666, 690, 740, 828, 851, 1035, 1110, 1332, 1380, 1447, 1665, 1702, 2070, 2220, 2553, 2894, 3330, 3404, 4140, 4255, 4341, 5106, 5788, 6660, 7235, 7659, 8510, 8682, 10212, 12765, 13023, 14470, 15318, 17020, 17364, 21705, 25530, 26046, 28940, 30636, 33281, 38295, 43410, 51060, 52092, 53539, 65115, 66562, 76590, 86820, 99843, 107078, 130230, 133124, 153180, 160617, 166405, 199686, 214156, 260460, 267695, 299529, 321234, 332810, 399372, 481851, 499215, 535390, 599058, 642468, 665620, 803085, 963702, 998430, 1070780, 1198116, 1231397, 1497645, 1606170, 1927404, 1996860, 2409255, 2462794, 2995290, 3212340, 3694191, 4818510, 4925588, 5990580, 6156985, 7388382, 9637020, 11082573, 12313970, 14776764, 18470955, 22165146, 24627940, 36941910, 44330292, 55412865, 73883820, 110825730, 221651460]

約数ペア:

[(1, 221651460), (2, 110825730), (3, 73883820), (4, 55412865), (5, 44330292), (6, 36941910), (9, 24627940), (10, 22165146), (12, 18470955), (15, 14776764), (18, 12313970), (20, 11082573), (23, 9637020), (30, 7388382), (36, 6156985), (37, 5990580), (45, 4925588), (46, 4818510), (60, 3694191), (69, 3212340), (74, 2995290), (90, 2462794), (92, 2409255), (111, 1996860), (115, 1927404), (138, 1606170), (148, 1497645), (180, 1231397), (185, 1198116), (207, 1070780), (222, 998430), (230, 963702), (276, 803085), (333, 665620), (345, 642468), (370, 599058), (414, 535390), (444, 499215), (460, 481851), (555, 399372), (666, 332810), (690, 321234), (740, 299529), (828, 267695), (851, 260460), (1035, 214156), (1110, 199686), (1332, 166405), (1380, 160617), (1447, 153180), (1665, 133124), (1702, 130230), (2070, 107078), (2220, 99843), (2553, 86820), (2894, 76590), (3330, 66562), (3404, 65115), (4140, 53539), (4255, 52092), (4341, 51060), (5106, 43410), (5788, 38295), (6660, 33281), (7235, 30636), (7659, 28940), (8510, 26046), (8682, 25530), (10212, 21705), (12765, 17364), (13023, 17020), (14470, 15318)]