39681720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 142178400

約数和(自身を除く): 102496680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 90, 104, 117, 120, 122, 130, 139, 156, 180, 183, 195, 234, 244, 260, 278, 305, 312, 360, 366, 390, 417, 468, 488, 520, 549, 556, 585, 610, 695, 732, 780, 793, 834, 915, 936, 1098, 1112, 1170, 1220, 1251, 1390, 1464, 1560, 1586, 1668, 1807, 1830, 2085, 2196, 2340, 2379, 2440, 2502, 2745, 2780, 3172, 3336, 3614, 3660, 3965, 4170, 4392, 4680, 4758, 5004, 5421, 5490, 5560, 6255, 6344, 7137, 7228, 7320, 7930, 8340, 8479, 9035, 9516, 10008, 10842, 10980, 11895, 12510, 14274, 14456, 15860, 16263, 16680, 16958, 18070, 19032, 21684, 21960, 23790, 25020, 25437, 27105, 28548, 31720, 32526, 33916, 35685, 36140, 42395, 43368, 47580, 50040, 50874, 54210, 57096, 65052, 67832, 71370, 72280, 76311, 81315, 84790, 95160, 101748, 108420, 110227, 127185, 130104, 142740, 152622, 162630, 169580, 203496, 216840, 220454, 254370, 285480, 305244, 325260, 330681, 339160, 381555, 440908, 508740, 551135, 610488, 650520, 661362, 763110, 881816, 992043, 1017480, 1102270, 1322724, 1526220, 1653405, 1984086, 2204540, 2645448, 3052440, 3306810, 3968172, 4409080, 4960215, 6613620, 7936344, 9920430, 13227240, 19840860, 39681720]

約数ペア:

[(1, 39681720), (2, 19840860), (3, 13227240), (4, 9920430), (5, 7936344), (6, 6613620), (8, 4960215), (9, 4409080), (10, 3968172), (12, 3306810), (13, 3052440), (15, 2645448), (18, 2204540), (20, 1984086), (24, 1653405), (26, 1526220), (30, 1322724), (36, 1102270), (39, 1017480), (40, 992043), (45, 881816), (52, 763110), (60, 661362), (61, 650520), (65, 610488), (72, 551135), (78, 508740), (90, 440908), (104, 381555), (117, 339160), (120, 330681), (122, 325260), (130, 305244), (139, 285480), (156, 254370), (180, 220454), (183, 216840), (195, 203496), (234, 169580), (244, 162630), (260, 152622), (278, 142740), (305, 130104), (312, 127185), (360, 110227), (366, 108420), (390, 101748), (417, 95160), (468, 84790), (488, 81315), (520, 76311), (549, 72280), (556, 71370), (585, 67832), (610, 65052), (695, 57096), (732, 54210), (780, 50874), (793, 50040), (834, 47580), (915, 43368), (936, 42395), (1098, 36140), (1112, 35685), (1170, 33916), (1220, 32526), (1251, 31720), (1390, 28548), (1464, 27105), (1560, 25437), (1586, 25020), (1668, 23790), (1807, 21960), (1830, 21684), (2085, 19032), (2196, 18070), (2340, 16958), (2379, 16680), (2440, 16263), (2502, 15860), (2745, 14456), (2780, 14274), (3172, 12510), (3336, 11895), (3614, 10980), (3660, 10842), (3965, 10008), (4170, 9516), (4392, 9035), (4680, 8479), (4758, 8340), (5004, 7930), (5421, 7320), (5490, 7228), (5560, 7137), (6255, 6344)]