491184720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:670

約数の個数: 240

約数和(自身を含む): 1798082832

約数和(自身を除く): 1306898112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 97, 104, 117, 120, 130, 144, 156, 180, 194, 195, 208, 234, 240, 260, 291, 312, 360, 388, 390, 468, 485, 520, 541, 582, 585, 624, 720, 776, 780, 873, 936, 970, 1040, 1082, 1164, 1170, 1261, 1455, 1552, 1560, 1623, 1746, 1872, 1940, 2164, 2328, 2340, 2522, 2705, 2910, 3120, 3246, 3492, 3783, 3880, 4328, 4365, 4656, 4680, 4869, 5044, 5410, 5820, 6305, 6492, 6984, 7033, 7566, 7760, 8115, 8656, 8730, 9360, 9738, 10088, 10820, 11349, 11640, 12610, 12984, 13968, 14066, 15132, 16230, 17460, 18915, 19476, 20176, 21099, 21640, 22698, 23280, 24345, 25220, 25968, 28132, 30264, 32460, 34920, 35165, 37830, 38952, 42198, 43280, 45396, 48690, 50440, 52477, 56264, 56745, 60528, 63297, 64920, 69840, 70330, 75660, 77904, 84396, 90792, 97380, 100880, 104954, 105495, 112528, 113490, 126594, 129840, 140660, 151320, 157431, 168792, 181584, 194760, 209908, 210990, 226980, 253188, 262385, 281320, 302640, 314862, 316485, 337584, 389520, 419816, 421980, 453960, 472293, 506376, 524770, 562640, 629724, 632970, 682201, 787155, 839632, 843960, 907920, 944586, 1012752, 1049540, 1259448, 1265940, 1364402, 1574310, 1687920, 1889172, 2046603, 2099080, 2361465, 2518896, 2531880, 2728804, 3148620, 3411005, 3778344, 4093206, 4198160, 4722930, 5063760, 5457608, 6139809, 6297240, 6822010, 7556688, 8186412, 9445860, 10233015, 10915216, 12279618, 12594480, 13644020, 16372824, 18891720, 20466030, 24559236, 27288040, 30699045, 32745648, 37783440, 40932060, 49118472, 54576080, 61398090, 81864120, 98236944, 122796180, 163728240, 245592360, 491184720]

約数ペア:

[(1, 491184720), (2, 245592360), (3, 163728240), (4, 122796180), (5, 98236944), (6, 81864120), (8, 61398090), (9, 54576080), (10, 49118472), (12, 40932060), (13, 37783440), (15, 32745648), (16, 30699045), (18, 27288040), (20, 24559236), (24, 20466030), (26, 18891720), (30, 16372824), (36, 13644020), (39, 12594480), (40, 12279618), (45, 10915216), (48, 10233015), (52, 9445860), (60, 8186412), (65, 7556688), (72, 6822010), (78, 6297240), (80, 6139809), (90, 5457608), (97, 5063760), (104, 4722930), (117, 4198160), (120, 4093206), (130, 3778344), (144, 3411005), (156, 3148620), (180, 2728804), (194, 2531880), (195, 2518896), (208, 2361465), (234, 2099080), (240, 2046603), (260, 1889172), (291, 1687920), (312, 1574310), (360, 1364402), (388, 1265940), (390, 1259448), (468, 1049540), (485, 1012752), (520, 944586), (541, 907920), (582, 843960), (585, 839632), (624, 787155), (720, 682201), (776, 632970), (780, 629724), (873, 562640), (936, 524770), (970, 506376), (1040, 472293), (1082, 453960), (1164, 421980), (1170, 419816), (1261, 389520), (1455, 337584), (1552, 316485), (1560, 314862), (1623, 302640), (1746, 281320), (1872, 262385), (1940, 253188), (2164, 226980), (2328, 210990), (2340, 209908), (2522, 194760), (2705, 181584), (2910, 168792), (3120, 157431), (3246, 151320), (3492, 140660), (3783, 129840), (3880, 126594), (4328, 113490), (4365, 112528), (4656, 105495), (4680, 104954), (4869, 100880), (5044, 97380), (5410, 90792), (5820, 84396), (6305, 77904), (6492, 75660), (6984, 70330), (7033, 69840), (7566, 64920), (7760, 63297), (8115, 60528), (8656, 56745), (8730, 56264), (9360, 52477), (9738, 50440), (10088, 48690), (10820, 45396), (11349, 43280), (11640, 42198), (12610, 38952), (12984, 37830), (13968, 35165), (14066, 34920), (15132, 32460), (16230, 30264), (17460, 28132), (18915, 25968), (19476, 25220), (20176, 24345), (21099, 23280), (21640, 22698)]