18998280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{359}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 73872000

約数和(自身を除く): 54873720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 359, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 718, 735, 756, 840, 882, 945, 980, 1077, 1080, 1176, 1260, 1323, 1436, 1470, 1512, 1764, 1795, 1890, 1960, 2154, 2205, 2513, 2520, 2646, 2872, 2940, 3231, 3528, 3590, 3780, 4308, 4410, 5026, 5292, 5385, 5880, 6462, 6615, 7180, 7539, 7560, 8616, 8820, 9693, 10052, 10584, 10770, 12565, 12924, 13230, 14360, 15078, 16155, 17591, 17640, 19386, 20104, 21540, 22617, 25130, 25848, 26460, 30156, 32310, 35182, 37695, 38772, 43080, 45234, 48465, 50260, 52773, 52920, 60312, 64620, 67851, 70364, 75390, 77544, 87955, 90468, 96930, 100520, 105546, 113085, 129240, 135702, 140728, 150780, 158319, 175910, 180936, 193860, 211092, 226170, 263865, 271404, 301560, 316638, 339255, 351820, 387720, 422184, 452340, 474957, 527730, 542808, 633276, 678510, 703640, 791595, 904680, 949914, 1055460, 1266552, 1357020, 1583190, 1899828, 2110920, 2374785, 2714040, 3166380, 3799656, 4749570, 6332760, 9499140, 18998280]

約数ペア:

[(1, 18998280), (2, 9499140), (3, 6332760), (4, 4749570), (5, 3799656), (6, 3166380), (7, 2714040), (8, 2374785), (9, 2110920), (10, 1899828), (12, 1583190), (14, 1357020), (15, 1266552), (18, 1055460), (20, 949914), (21, 904680), (24, 791595), (27, 703640), (28, 678510), (30, 633276), (35, 542808), (36, 527730), (40, 474957), (42, 452340), (45, 422184), (49, 387720), (54, 351820), (56, 339255), (60, 316638), (63, 301560), (70, 271404), (72, 263865), (84, 226170), (90, 211092), (98, 193860), (105, 180936), (108, 175910), (120, 158319), (126, 150780), (135, 140728), (140, 135702), (147, 129240), (168, 113085), (180, 105546), (189, 100520), (196, 96930), (210, 90468), (216, 87955), (245, 77544), (252, 75390), (270, 70364), (280, 67851), (294, 64620), (315, 60312), (359, 52920), (360, 52773), (378, 50260), (392, 48465), (420, 45234), (441, 43080), (490, 38772), (504, 37695), (540, 35182), (588, 32310), (630, 30156), (718, 26460), (735, 25848), (756, 25130), (840, 22617), (882, 21540), (945, 20104), (980, 19386), (1077, 17640), (1080, 17591), (1176, 16155), (1260, 15078), (1323, 14360), (1436, 13230), (1470, 12924), (1512, 12565), (1764, 10770), (1795, 10584), (1890, 10052), (1960, 9693), (2154, 8820), (2205, 8616), (2513, 7560), (2520, 7539), (2646, 7180), (2872, 6615), (2940, 6462), (3231, 5880), (3528, 5385), (3590, 5292), (3780, 5026), (4308, 4410)]