30172380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 102412800

約数和(自身を除く): 72240420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 199, 210, 228, 266, 285, 361, 380, 398, 399, 420, 532, 570, 597, 665, 722, 796, 798, 995, 1083, 1140, 1194, 1330, 1393, 1444, 1596, 1805, 1990, 1995, 2166, 2388, 2527, 2660, 2786, 2985, 3610, 3781, 3980, 3990, 4179, 4332, 5054, 5415, 5572, 5970, 6965, 7220, 7562, 7581, 7980, 8358, 10108, 10830, 11343, 11940, 12635, 13930, 15124, 15162, 16716, 18905, 20895, 21660, 22686, 25270, 26467, 27860, 30324, 37810, 37905, 41790, 45372, 50540, 52934, 56715, 71839, 75620, 75810, 79401, 83580, 105868, 113430, 132335, 143678, 151620, 158802, 215517, 226860, 264670, 287356, 317604, 359195, 397005, 431034, 502873, 529340, 718390, 794010, 862068, 1005746, 1077585, 1436780, 1508619, 1588020, 2011492, 2155170, 2514365, 3017238, 4310340, 5028730, 6034476, 7543095, 10057460, 15086190, 30172380]

約数ペア:

[(1, 30172380), (2, 15086190), (3, 10057460), (4, 7543095), (5, 6034476), (6, 5028730), (7, 4310340), (10, 3017238), (12, 2514365), (14, 2155170), (15, 2011492), (19, 1588020), (20, 1508619), (21, 1436780), (28, 1077585), (30, 1005746), (35, 862068), (38, 794010), (42, 718390), (57, 529340), (60, 502873), (70, 431034), (76, 397005), (84, 359195), (95, 317604), (105, 287356), (114, 264670), (133, 226860), (140, 215517), (190, 158802), (199, 151620), (210, 143678), (228, 132335), (266, 113430), (285, 105868), (361, 83580), (380, 79401), (398, 75810), (399, 75620), (420, 71839), (532, 56715), (570, 52934), (597, 50540), (665, 45372), (722, 41790), (796, 37905), (798, 37810), (995, 30324), (1083, 27860), (1140, 26467), (1194, 25270), (1330, 22686), (1393, 21660), (1444, 20895), (1596, 18905), (1805, 16716), (1990, 15162), (1995, 15124), (2166, 13930), (2388, 12635), (2527, 11940), (2660, 11343), (2786, 10830), (2985, 10108), (3610, 8358), (3781, 7980), (3980, 7581), (3990, 7562), (4179, 7220), (4332, 6965), (5054, 5970), (5415, 5572)]