420813900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 288

約数和(自身を含む): 1536012800

約数和(自身を除く): 1115198900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 27, 30, 36, 38, 39, 45, 50, 52, 54, 57, 60, 65, 75, 76, 78, 90, 95, 100, 108, 114, 117, 130, 135, 150, 156, 171, 180, 190, 195, 225, 228, 234, 247, 260, 270, 285, 300, 325, 342, 351, 380, 390, 450, 468, 475, 494, 513, 540, 570, 585, 631, 650, 675, 684, 702, 741, 780, 855, 900, 950, 975, 988, 1026, 1140, 1170, 1235, 1262, 1300, 1350, 1404, 1425, 1482, 1710, 1755, 1893, 1900, 1950, 2052, 2223, 2340, 2470, 2524, 2565, 2700, 2850, 2925, 2964, 3155, 3420, 3510, 3705, 3786, 3900, 4275, 4446, 4940, 5130, 5679, 5700, 5850, 6175, 6310, 6669, 7020, 7410, 7572, 8203, 8550, 8775, 8892, 9465, 10260, 11115, 11358, 11700, 11989, 12350, 12620, 12825, 13338, 14820, 15775, 16406, 17037, 17100, 17550, 18525, 18930, 22230, 22716, 23978, 24609, 24700, 25650, 26676, 28395, 31550, 32812, 33345, 34074, 35100, 35967, 37050, 37860, 41015, 44460, 47325, 47956, 49218, 51300, 55575, 56790, 59945, 63100, 66690, 68148, 71934, 73827, 74100, 82030, 85185, 94650, 98436, 107901, 111150, 113580, 119890, 123045, 133380, 141975, 143868, 147654, 155857, 164060, 166725, 170370, 179835, 189300, 205075, 215802, 221481, 222300, 239780, 246090, 283950, 295308, 299725, 311714, 323703, 333450, 340740, 359670, 369135, 410150, 425925, 431604, 442962, 467571, 492180, 539505, 567900, 599450, 615225, 623428, 647406, 666900, 719340, 738270, 779285, 820300, 851850, 885924, 899175, 935142, 1079010, 1107405, 1198900, 1230450, 1294812, 1402713, 1476540, 1558570, 1618515, 1703700, 1798350, 1845675, 1870284, 2158020, 2214810, 2337855, 2460900, 2697525, 2805426, 3117140, 3237030, 3596700, 3691350, 3896425, 4208139, 4429620, 4675710, 5395050, 5537025, 5610852, 6474060, 7013565, 7382700, 7792850, 8092575, 8416278, 9351420, 10790100, 11074050, 11689275, 14027130, 15585700, 16185150, 16832556, 21040695, 22148100, 23378550, 28054260, 32370300, 35067825, 42081390, 46757100, 70135650, 84162780, 105203475, 140271300, 210406950, 420813900]

約数ペア:

[(1, 420813900), (2, 210406950), (3, 140271300), (4, 105203475), (5, 84162780), (6, 70135650), (9, 46757100), (10, 42081390), (12, 35067825), (13, 32370300), (15, 28054260), (18, 23378550), (19, 22148100), (20, 21040695), (25, 16832556), (26, 16185150), (27, 15585700), (30, 14027130), (36, 11689275), (38, 11074050), (39, 10790100), (45, 9351420), (50, 8416278), (52, 8092575), (54, 7792850), (57, 7382700), (60, 7013565), (65, 6474060), (75, 5610852), (76, 5537025), (78, 5395050), (90, 4675710), (95, 4429620), (100, 4208139), (108, 3896425), (114, 3691350), (117, 3596700), (130, 3237030), (135, 3117140), (150, 2805426), (156, 2697525), (171, 2460900), (180, 2337855), (190, 2214810), (195, 2158020), (225, 1870284), (228, 1845675), (234, 1798350), (247, 1703700), (260, 1618515), (270, 1558570), (285, 1476540), (300, 1402713), (325, 1294812), (342, 1230450), (351, 1198900), (380, 1107405), (390, 1079010), (450, 935142), (468, 899175), (475, 885924), (494, 851850), (513, 820300), (540, 779285), (570, 738270), (585, 719340), (631, 666900), (650, 647406), (675, 623428), (684, 615225), (702, 599450), (741, 567900), (780, 539505), (855, 492180), (900, 467571), (950, 442962), (975, 431604), (988, 425925), (1026, 410150), (1140, 369135), (1170, 359670), (1235, 340740), (1262, 333450), (1300, 323703), (1350, 311714), (1404, 299725), (1425, 295308), (1482, 283950), (1710, 246090), (1755, 239780), (1893, 222300), (1900, 221481), (1950, 215802), (2052, 205075), (2223, 189300), (2340, 179835), (2470, 170370), (2524, 166725), (2565, 164060), (2700, 155857), (2850, 147654), (2925, 143868), (2964, 141975), (3155, 133380), (3420, 123045), (3510, 119890), (3705, 113580), (3786, 111150), (3900, 107901), (4275, 98436), (4446, 94650), (4940, 85185), (5130, 82030), (5679, 74100), (5700, 73827), (5850, 71934), (6175, 68148), (6310, 66690), (6669, 63100), (7020, 59945), (7410, 56790), (7572, 55575), (8203, 51300), (8550, 49218), (8775, 47956), (8892, 47325), (9465, 44460), (10260, 41015), (11115, 37860), (11358, 37050), (11700, 35967), (11989, 35100), (12350, 34074), (12620, 33345), (12825, 32812), (13338, 31550), (14820, 28395), (15775, 26676), (16406, 25650), (17037, 24700), (17100, 24609), (17550, 23978), (18525, 22716), (18930, 22230)]