1971060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:70

約数の個数: 144

約数和(自身を含む): 7168896

約数和(自身を除く): 5197836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 182, 190, 195, 210, 228, 247, 260, 266, 273, 285, 361, 364, 380, 390, 399, 420, 455, 494, 532, 546, 570, 665, 722, 741, 780, 798, 910, 988, 1083, 1092, 1140, 1235, 1330, 1365, 1444, 1482, 1596, 1729, 1805, 1820, 1995, 2166, 2470, 2527, 2660, 2730, 2964, 3458, 3610, 3705, 3990, 4332, 4693, 4940, 5054, 5187, 5415, 5460, 6916, 7220, 7410, 7581, 7980, 8645, 9386, 10108, 10374, 10830, 12635, 14079, 14820, 15162, 17290, 18772, 20748, 21660, 23465, 25270, 25935, 28158, 30324, 32851, 34580, 37905, 46930, 50540, 51870, 56316, 65702, 70395, 75810, 93860, 98553, 103740, 131404, 140790, 151620, 164255, 197106, 281580, 328510, 394212, 492765, 657020, 985530, 1971060]

約数ペア:

[(1, 1971060), (2, 985530), (3, 657020), (4, 492765), (5, 394212), (6, 328510), (7, 281580), (10, 197106), (12, 164255), (13, 151620), (14, 140790), (15, 131404), (19, 103740), (20, 98553), (21, 93860), (26, 75810), (28, 70395), (30, 65702), (35, 56316), (38, 51870), (39, 50540), (42, 46930), (52, 37905), (57, 34580), (60, 32851), (65, 30324), (70, 28158), (76, 25935), (78, 25270), (84, 23465), (91, 21660), (95, 20748), (105, 18772), (114, 17290), (130, 15162), (133, 14820), (140, 14079), (156, 12635), (182, 10830), (190, 10374), (195, 10108), (210, 9386), (228, 8645), (247, 7980), (260, 7581), (266, 7410), (273, 7220), (285, 6916), (361, 5460), (364, 5415), (380, 5187), (390, 5054), (399, 4940), (420, 4693), (455, 4332), (494, 3990), (532, 3705), (546, 3610), (570, 3458), (665, 2964), (722, 2730), (741, 2660), (780, 2527), (798, 2470), (910, 2166), (988, 1995), (1083, 1820), (1092, 1805), (1140, 1729), (1235, 1596), (1330, 1482), (1365, 1444)]