71889720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 261480960

約数和(自身を除く): 189591240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 61, 69, 70, 84, 92, 105, 115, 120, 122, 138, 140, 161, 168, 183, 184, 210, 230, 244, 276, 280, 305, 322, 345, 366, 420, 427, 460, 483, 488, 552, 610, 644, 690, 732, 805, 840, 854, 915, 920, 966, 1220, 1281, 1288, 1380, 1403, 1464, 1610, 1708, 1830, 1932, 2135, 2415, 2440, 2562, 2760, 2806, 3220, 3416, 3660, 3721, 3864, 4209, 4270, 4830, 5124, 5612, 6405, 6440, 7015, 7320, 7442, 8418, 8540, 9660, 9821, 10248, 11163, 11224, 12810, 14030, 14884, 16836, 17080, 18605, 19320, 19642, 21045, 22326, 25620, 26047, 28060, 29463, 29768, 33672, 37210, 39284, 42090, 44652, 49105, 51240, 52094, 55815, 56120, 58926, 74420, 78141, 78568, 84180, 85583, 89304, 98210, 104188, 111630, 117852, 130235, 147315, 148840, 156282, 168360, 171166, 196420, 208376, 223260, 235704, 256749, 260470, 294630, 312564, 342332, 390705, 392840, 427915, 446520, 513498, 520940, 589260, 599081, 625128, 684664, 781410, 855830, 1026996, 1041880, 1178520, 1198162, 1283745, 1562820, 1711660, 1797243, 2053992, 2396324, 2567490, 2995405, 3125640, 3423320, 3594486, 4792648, 5134980, 5990810, 7188972, 8986215, 10269960, 11981620, 14377944, 17972430, 23963240, 35944860, 71889720]

約数ペア:

[(1, 71889720), (2, 35944860), (3, 23963240), (4, 17972430), (5, 14377944), (6, 11981620), (7, 10269960), (8, 8986215), (10, 7188972), (12, 5990810), (14, 5134980), (15, 4792648), (20, 3594486), (21, 3423320), (23, 3125640), (24, 2995405), (28, 2567490), (30, 2396324), (35, 2053992), (40, 1797243), (42, 1711660), (46, 1562820), (56, 1283745), (60, 1198162), (61, 1178520), (69, 1041880), (70, 1026996), (84, 855830), (92, 781410), (105, 684664), (115, 625128), (120, 599081), (122, 589260), (138, 520940), (140, 513498), (161, 446520), (168, 427915), (183, 392840), (184, 390705), (210, 342332), (230, 312564), (244, 294630), (276, 260470), (280, 256749), (305, 235704), (322, 223260), (345, 208376), (366, 196420), (420, 171166), (427, 168360), (460, 156282), (483, 148840), (488, 147315), (552, 130235), (610, 117852), (644, 111630), (690, 104188), (732, 98210), (805, 89304), (840, 85583), (854, 84180), (915, 78568), (920, 78141), (966, 74420), (1220, 58926), (1281, 56120), (1288, 55815), (1380, 52094), (1403, 51240), (1464, 49105), (1610, 44652), (1708, 42090), (1830, 39284), (1932, 37210), (2135, 33672), (2415, 29768), (2440, 29463), (2562, 28060), (2760, 26047), (2806, 25620), (3220, 22326), (3416, 21045), (3660, 19642), (3721, 19320), (3864, 18605), (4209, 17080), (4270, 16836), (4830, 14884), (5124, 14030), (5612, 12810), (6405, 11224), (6440, 11163), (7015, 10248), (7320, 9821), (7442, 9660), (8418, 8540)]