2571660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 9662016

約数和(自身を除く): 7090356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 157, 180, 182, 195, 210, 234, 252, 260, 273, 314, 315, 364, 390, 420, 455, 468, 471, 546, 585, 628, 630, 780, 785, 819, 910, 942, 1092, 1099, 1170, 1260, 1365, 1413, 1570, 1638, 1820, 1884, 2041, 2198, 2340, 2355, 2730, 2826, 3140, 3276, 3297, 4082, 4095, 4396, 4710, 5460, 5495, 5652, 6123, 6594, 7065, 8164, 8190, 9420, 9891, 10205, 10990, 12246, 13188, 14130, 14287, 16380, 16485, 18369, 19782, 20410, 21980, 24492, 28260, 28574, 30615, 32970, 36738, 39564, 40820, 42861, 49455, 57148, 61230, 65940, 71435, 73476, 85722, 91845, 98910, 122460, 128583, 142870, 171444, 183690, 197820, 214305, 257166, 285740, 367380, 428610, 514332, 642915, 857220, 1285830, 2571660]

約数ペア:

[(1, 2571660), (2, 1285830), (3, 857220), (4, 642915), (5, 514332), (6, 428610), (7, 367380), (9, 285740), (10, 257166), (12, 214305), (13, 197820), (14, 183690), (15, 171444), (18, 142870), (20, 128583), (21, 122460), (26, 98910), (28, 91845), (30, 85722), (35, 73476), (36, 71435), (39, 65940), (42, 61230), (45, 57148), (52, 49455), (60, 42861), (63, 40820), (65, 39564), (70, 36738), (78, 32970), (84, 30615), (90, 28574), (91, 28260), (105, 24492), (117, 21980), (126, 20410), (130, 19782), (140, 18369), (156, 16485), (157, 16380), (180, 14287), (182, 14130), (195, 13188), (210, 12246), (234, 10990), (252, 10205), (260, 9891), (273, 9420), (314, 8190), (315, 8164), (364, 7065), (390, 6594), (420, 6123), (455, 5652), (468, 5495), (471, 5460), (546, 4710), (585, 4396), (628, 4095), (630, 4082), (780, 3297), (785, 3276), (819, 3140), (910, 2826), (942, 2730), (1092, 2355), (1099, 2340), (1170, 2198), (1260, 2041), (1365, 1884), (1413, 1820), (1570, 1638)]