16241940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:670

約数の個数: 144

約数和(自身を含む): 57972096

約数和(自身を除く): 41730156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 631, 660, 715, 780, 858, 990, 1170, 1262, 1287, 1430, 1716, 1893, 1980, 2145, 2340, 2524, 2574, 2860, 3155, 3786, 4290, 5148, 5679, 6310, 6435, 6941, 7572, 8203, 8580, 9465, 11358, 12620, 12870, 13882, 16406, 18930, 20823, 22716, 24609, 25740, 27764, 28395, 32812, 34705, 37860, 41015, 41646, 49218, 56790, 62469, 69410, 73827, 82030, 83292, 90233, 98436, 104115, 113580, 123045, 124938, 138820, 147654, 164060, 180466, 208230, 246090, 249876, 270699, 295308, 312345, 360932, 369135, 416460, 451165, 492180, 541398, 624690, 738270, 812097, 902330, 1082796, 1249380, 1353495, 1476540, 1624194, 1804660, 2706990, 3248388, 4060485, 5413980, 8120970, 16241940]

約数ペア:

[(1, 16241940), (2, 8120970), (3, 5413980), (4, 4060485), (5, 3248388), (6, 2706990), (9, 1804660), (10, 1624194), (11, 1476540), (12, 1353495), (13, 1249380), (15, 1082796), (18, 902330), (20, 812097), (22, 738270), (26, 624690), (30, 541398), (33, 492180), (36, 451165), (39, 416460), (44, 369135), (45, 360932), (52, 312345), (55, 295308), (60, 270699), (65, 249876), (66, 246090), (78, 208230), (90, 180466), (99, 164060), (110, 147654), (117, 138820), (130, 124938), (132, 123045), (143, 113580), (156, 104115), (165, 98436), (180, 90233), (195, 83292), (198, 82030), (220, 73827), (234, 69410), (260, 62469), (286, 56790), (330, 49218), (390, 41646), (396, 41015), (429, 37860), (468, 34705), (495, 32812), (572, 28395), (585, 27764), (631, 25740), (660, 24609), (715, 22716), (780, 20823), (858, 18930), (990, 16406), (1170, 13882), (1262, 12870), (1287, 12620), (1430, 11358), (1716, 9465), (1893, 8580), (1980, 8203), (2145, 7572), (2340, 6941), (2524, 6435), (2574, 6310), (2860, 5679), (3155, 5148), (3786, 4290)]