78216840

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:658

約数の個数: 192

約数和(自身を含む): 284356800

約数和(自身を除く): 206139960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 243, 260, 270, 312, 324, 351, 360, 390, 405, 468, 486, 520, 540, 585, 619, 648, 702, 780, 810, 936, 972, 1053, 1080, 1170, 1215, 1238, 1404, 1560, 1620, 1755, 1857, 1944, 2106, 2340, 2430, 2476, 2808, 3095, 3159, 3240, 3510, 3714, 4212, 4680, 4860, 4952, 5265, 5571, 6190, 6318, 7020, 7428, 8047, 8424, 9285, 9720, 10530, 11142, 12380, 12636, 14040, 14856, 15795, 16094, 16713, 18570, 21060, 22284, 24141, 24760, 25272, 27855, 31590, 32188, 33426, 37140, 40235, 42120, 44568, 48282, 50139, 55710, 63180, 64376, 66852, 72423, 74280, 80470, 83565, 96564, 100278, 111420, 120705, 126360, 133704, 144846, 150417, 160940, 167130, 193128, 200556, 217269, 222840, 241410, 250695, 289692, 300834, 321880, 334260, 362115, 401112, 434538, 482820, 501390, 579384, 601668, 651807, 668520, 724230, 752085, 869076, 965640, 1002780, 1086345, 1203336, 1303614, 1448460, 1504170, 1738152, 1955421, 2005560, 2172690, 2607228, 2896920, 3008340, 3259035, 3910842, 4345380, 5214456, 6016680, 6518070, 7821684, 8690760, 9777105, 13036140, 15643368, 19554210, 26072280, 39108420, 78216840]

約数ペア:

[(1, 78216840), (2, 39108420), (3, 26072280), (4, 19554210), (5, 15643368), (6, 13036140), (8, 9777105), (9, 8690760), (10, 7821684), (12, 6518070), (13, 6016680), (15, 5214456), (18, 4345380), (20, 3910842), (24, 3259035), (26, 3008340), (27, 2896920), (30, 2607228), (36, 2172690), (39, 2005560), (40, 1955421), (45, 1738152), (52, 1504170), (54, 1448460), (60, 1303614), (65, 1203336), (72, 1086345), (78, 1002780), (81, 965640), (90, 869076), (104, 752085), (108, 724230), (117, 668520), (120, 651807), (130, 601668), (135, 579384), (156, 501390), (162, 482820), (180, 434538), (195, 401112), (216, 362115), (234, 334260), (243, 321880), (260, 300834), (270, 289692), (312, 250695), (324, 241410), (351, 222840), (360, 217269), (390, 200556), (405, 193128), (468, 167130), (486, 160940), (520, 150417), (540, 144846), (585, 133704), (619, 126360), (648, 120705), (702, 111420), (780, 100278), (810, 96564), (936, 83565), (972, 80470), (1053, 74280), (1080, 72423), (1170, 66852), (1215, 64376), (1238, 63180), (1404, 55710), (1560, 50139), (1620, 48282), (1755, 44568), (1857, 42120), (1944, 40235), (2106, 37140), (2340, 33426), (2430, 32188), (2476, 31590), (2808, 27855), (3095, 25272), (3159, 24760), (3240, 24141), (3510, 22284), (3714, 21060), (4212, 18570), (4680, 16713), (4860, 16094), (4952, 15795), (5265, 14856), (5571, 14040), (6190, 12636), (6318, 12380), (7020, 11142), (7428, 10530), (8047, 9720), (8424, 9285)]