72865380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 192

約数和(自身を含む): 256757760

約数和(自身を除く): 183892380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 57, 60, 69, 70, 76, 84, 92, 95, 105, 114, 115, 133, 138, 140, 161, 190, 210, 228, 230, 266, 276, 285, 322, 345, 380, 397, 399, 420, 437, 460, 483, 532, 570, 644, 665, 690, 794, 798, 805, 874, 966, 1140, 1191, 1311, 1330, 1380, 1588, 1596, 1610, 1748, 1932, 1985, 1995, 2185, 2382, 2415, 2622, 2660, 2779, 3059, 3220, 3970, 3990, 4370, 4764, 4830, 5244, 5558, 5955, 6118, 6555, 7543, 7940, 7980, 8337, 8740, 9131, 9177, 9660, 11116, 11910, 12236, 13110, 13895, 15086, 15295, 16674, 18262, 18354, 22629, 23820, 26220, 27393, 27790, 30172, 30590, 33348, 36524, 36708, 37715, 41685, 45258, 45655, 45885, 52801, 54786, 55580, 61180, 63917, 75430, 83370, 90516, 91310, 91770, 105602, 109572, 113145, 127834, 136965, 150860, 158403, 166740, 173489, 182620, 183540, 191751, 211204, 226290, 255668, 264005, 273930, 316806, 319585, 346978, 383502, 452580, 520467, 528010, 547860, 633612, 639170, 693956, 767004, 792015, 867445, 958755, 1040934, 1056020, 1214423, 1278340, 1584030, 1734890, 1917510, 2081868, 2428846, 2602335, 3168060, 3469780, 3643269, 3835020, 4857692, 5204670, 6072115, 7286538, 10409340, 12144230, 14573076, 18216345, 24288460, 36432690, 72865380]

約数ペア:

[(1, 72865380), (2, 36432690), (3, 24288460), (4, 18216345), (5, 14573076), (6, 12144230), (7, 10409340), (10, 7286538), (12, 6072115), (14, 5204670), (15, 4857692), (19, 3835020), (20, 3643269), (21, 3469780), (23, 3168060), (28, 2602335), (30, 2428846), (35, 2081868), (38, 1917510), (42, 1734890), (46, 1584030), (57, 1278340), (60, 1214423), (69, 1056020), (70, 1040934), (76, 958755), (84, 867445), (92, 792015), (95, 767004), (105, 693956), (114, 639170), (115, 633612), (133, 547860), (138, 528010), (140, 520467), (161, 452580), (190, 383502), (210, 346978), (228, 319585), (230, 316806), (266, 273930), (276, 264005), (285, 255668), (322, 226290), (345, 211204), (380, 191751), (397, 183540), (399, 182620), (420, 173489), (437, 166740), (460, 158403), (483, 150860), (532, 136965), (570, 127834), (644, 113145), (665, 109572), (690, 105602), (794, 91770), (798, 91310), (805, 90516), (874, 83370), (966, 75430), (1140, 63917), (1191, 61180), (1311, 55580), (1330, 54786), (1380, 52801), (1588, 45885), (1596, 45655), (1610, 45258), (1748, 41685), (1932, 37715), (1985, 36708), (1995, 36524), (2185, 33348), (2382, 30590), (2415, 30172), (2622, 27790), (2660, 27393), (2779, 26220), (3059, 23820), (3220, 22629), (3970, 18354), (3990, 18262), (4370, 16674), (4764, 15295), (4830, 15086), (5244, 13895), (5558, 13110), (5955, 12236), (6118, 11910), (6555, 11116), (7543, 9660), (7940, 9177), (7980, 9131), (8337, 8740)]