2187120780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{49193}}^1$

素因数の和:49240

約数の個数: 144

約数和(自身を含む): 7520778720

約数和(自身を除く): 5333657940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 11115, 14820, 22230, 44460, 49193, 98386, 147579, 196772, 245965, 295158, 442737, 491930, 590316, 639509, 737895, 885474, 934667, 983860, 1279018, 1475790, 1770948, 1869334, 1918527, 2213685, 2558036, 2804001, 2951580, 3197545, 3738668, 3837054, 4427370, 4673335, 5608002, 5755581, 6395090, 7674108, 8412003, 8854740, 9346670, 9592635, 11216004, 11511162, 12150671, 12790180, 14020005, 16824006, 18693340, 19185270, 23022324, 24301342, 28040010, 28777905, 33648012, 36452013, 38370540, 42060015, 48602684, 56080020, 57555810, 60753355, 72904026, 84120030, 109356039, 115111620, 121506710, 145808052, 168240060, 182260065, 218712078, 243013420, 364520130, 437424156, 546780195, 729040260, 1093560390, 2187120780]

約数ペア:

[(1, 2187120780), (2, 1093560390), (3, 729040260), (4, 546780195), (5, 437424156), (6, 364520130), (9, 243013420), (10, 218712078), (12, 182260065), (13, 168240060), (15, 145808052), (18, 121506710), (19, 115111620), (20, 109356039), (26, 84120030), (30, 72904026), (36, 60753355), (38, 57555810), (39, 56080020), (45, 48602684), (52, 42060015), (57, 38370540), (60, 36452013), (65, 33648012), (76, 28777905), (78, 28040010), (90, 24301342), (95, 23022324), (114, 19185270), (117, 18693340), (130, 16824006), (156, 14020005), (171, 12790180), (180, 12150671), (190, 11511162), (195, 11216004), (228, 9592635), (234, 9346670), (247, 8854740), (260, 8412003), (285, 7674108), (342, 6395090), (380, 5755581), (390, 5608002), (468, 4673335), (494, 4427370), (570, 3837054), (585, 3738668), (684, 3197545), (741, 2951580), (780, 2804001), (855, 2558036), (988, 2213685), (1140, 1918527), (1170, 1869334), (1235, 1770948), (1482, 1475790), (1710, 1279018), (2223, 983860), (2340, 934667), (2470, 885474), (2964, 737895), (3420, 639509), (3705, 590316), (4446, 491930), (4940, 442737), (7410, 295158), (8892, 245965), (11115, 196772), (14820, 147579), (22230, 98386), (44460, 49193)]