81209700

素因数分解:

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

素因数の和:675

約数の個数: 216

約数和(自身を含む): 299522496

約数和(自身を除く): 218312796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 25, 26, 30, 33, 36, 39, 44, 45, 50, 52, 55, 60, 65, 66, 75, 78, 90, 99, 100, 110, 117, 130, 132, 143, 150, 156, 165, 180, 195, 198, 220, 225, 234, 260, 275, 286, 300, 325, 330, 390, 396, 429, 450, 468, 495, 550, 572, 585, 631, 650, 660, 715, 780, 825, 858, 900, 975, 990, 1100, 1170, 1262, 1287, 1300, 1430, 1650, 1716, 1893, 1950, 1980, 2145, 2340, 2475, 2524, 2574, 2860, 2925, 3155, 3300, 3575, 3786, 3900, 4290, 4950, 5148, 5679, 5850, 6310, 6435, 6941, 7150, 7572, 8203, 8580, 9465, 9900, 10725, 11358, 11700, 12620, 12870, 13882, 14300, 15775, 16406, 18930, 20823, 21450, 22716, 24609, 25740, 27764, 28395, 31550, 32175, 32812, 34705, 37860, 41015, 41646, 42900, 47325, 49218, 56790, 62469, 63100, 64350, 69410, 73827, 82030, 83292, 90233, 94650, 98436, 104115, 113580, 123045, 124938, 128700, 138820, 141975, 147654, 164060, 173525, 180466, 189300, 205075, 208230, 246090, 249876, 270699, 283950, 295308, 312345, 347050, 360932, 369135, 410150, 416460, 451165, 492180, 520575, 541398, 567900, 615225, 624690, 694100, 738270, 812097, 820300, 902330, 1041150, 1082796, 1230450, 1249380, 1353495, 1476540, 1561725, 1624194, 1804660, 1845675, 2082300, 2255825, 2460900, 2706990, 3123450, 3248388, 3691350, 4060485, 4511650, 5413980, 6246900, 6767475, 7382700, 8120970, 9023300, 13534950, 16241940, 20302425, 27069900, 40604850, 81209700]

約数ペア:

[(1, 81209700), (2, 40604850), (3, 27069900), (4, 20302425), (5, 16241940), (6, 13534950), (9, 9023300), (10, 8120970), (11, 7382700), (12, 6767475), (13, 6246900), (15, 5413980), (18, 4511650), (20, 4060485), (22, 3691350), (25, 3248388), (26, 3123450), (30, 2706990), (33, 2460900), (36, 2255825), (39, 2082300), (44, 1845675), (45, 1804660), (50, 1624194), (52, 1561725), (55, 1476540), (60, 1353495), (65, 1249380), (66, 1230450), (75, 1082796), (78, 1041150), (90, 902330), (99, 820300), (100, 812097), (110, 738270), (117, 694100), (130, 624690), (132, 615225), (143, 567900), (150, 541398), (156, 520575), (165, 492180), (180, 451165), (195, 416460), (198, 410150), (220, 369135), (225, 360932), (234, 347050), (260, 312345), (275, 295308), (286, 283950), (300, 270699), (325, 249876), (330, 246090), (390, 208230), (396, 205075), (429, 189300), (450, 180466), (468, 173525), (495, 164060), (550, 147654), (572, 141975), (585, 138820), (631, 128700), (650, 124938), (660, 123045), (715, 113580), (780, 104115), (825, 98436), (858, 94650), (900, 90233), (975, 83292), (990, 82030), (1100, 73827), (1170, 69410), (1262, 64350), (1287, 63100), (1300, 62469), (1430, 56790), (1650, 49218), (1716, 47325), (1893, 42900), (1950, 41646), (1980, 41015), (2145, 37860), (2340, 34705), (2475, 32812), (2524, 32175), (2574, 31550), (2860, 28395), (2925, 27764), (3155, 25740), (3300, 24609), (3575, 22716), (3786, 21450), (3900, 20823), (4290, 18930), (4950, 16406), (5148, 15775), (5679, 14300), (5850, 13882), (6310, 12870), (6435, 12620), (6941, 11700), (7150, 11358), (7572, 10725), (8203, 9900), (8580, 9465)]