420174930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 256

約数和(自身を含む): 1297612800

約数和(自身を除く): 877437870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 43, 57, 62, 70, 79, 86, 93, 95, 105, 114, 129, 133, 155, 158, 186, 190, 210, 215, 217, 237, 258, 266, 285, 301, 310, 395, 399, 430, 434, 465, 474, 553, 570, 589, 602, 645, 651, 665, 790, 798, 817, 903, 930, 1085, 1106, 1178, 1185, 1290, 1302, 1330, 1333, 1501, 1505, 1634, 1659, 1767, 1806, 1995, 2170, 2370, 2449, 2451, 2666, 2765, 2945, 3002, 3010, 3255, 3318, 3397, 3534, 3990, 3999, 4085, 4123, 4503, 4515, 4898, 4902, 5530, 5719, 5890, 6510, 6665, 6794, 7347, 7505, 7998, 8170, 8246, 8295, 8835, 9006, 9030, 9331, 10191, 10507, 11438, 12245, 12255, 12369, 13330, 14694, 15010, 16590, 16985, 17143, 17157, 17670, 18662, 19995, 20382, 20615, 21014, 22515, 23779, 24490, 24510, 24738, 25327, 27993, 28595, 31521, 33970, 34286, 34314, 36735, 39990, 41230, 45030, 46531, 46655, 47558, 50654, 50955, 51429, 52535, 55986, 57190, 61845, 63042, 64543, 71337, 73470, 75981, 85715, 85785, 93062, 93310, 101910, 102858, 105070, 105307, 118895, 123690, 126635, 129086, 139593, 139965, 142674, 151962, 157605, 171430, 171570, 177289, 193629, 210614, 232655, 237790, 253270, 257145, 279186, 279930, 315210, 315921, 322715, 325717, 354578, 356685, 379905, 387258, 451801, 465310, 514290, 526535, 531867, 631842, 645430, 651434, 697965, 713370, 737149, 759810, 886445, 903602, 968145, 977151, 1053070, 1063734, 1355403, 1395930, 1474298, 1579605, 1628585, 1772890, 1936290, 1954302, 2000833, 2211447, 2259005, 2659335, 2710806, 3159210, 3257170, 3685745, 4001666, 4422894, 4518010, 4885755, 5318670, 6002499, 6777015, 7371490, 9771510, 10004165, 11057235, 12004998, 13554030, 14005831, 20008330, 22114470, 28011662, 30012495, 42017493, 60024990, 70029155, 84034986, 140058310, 210087465, 420174930]

約数ペア:

[(1, 420174930), (2, 210087465), (3, 140058310), (5, 84034986), (6, 70029155), (7, 60024990), (10, 42017493), (14, 30012495), (15, 28011662), (19, 22114470), (21, 20008330), (30, 14005831), (31, 13554030), (35, 12004998), (38, 11057235), (42, 10004165), (43, 9771510), (57, 7371490), (62, 6777015), (70, 6002499), (79, 5318670), (86, 4885755), (93, 4518010), (95, 4422894), (105, 4001666), (114, 3685745), (129, 3257170), (133, 3159210), (155, 2710806), (158, 2659335), (186, 2259005), (190, 2211447), (210, 2000833), (215, 1954302), (217, 1936290), (237, 1772890), (258, 1628585), (266, 1579605), (285, 1474298), (301, 1395930), (310, 1355403), (395, 1063734), (399, 1053070), (430, 977151), (434, 968145), (465, 903602), (474, 886445), (553, 759810), (570, 737149), (589, 713370), (602, 697965), (645, 651434), (651, 645430), (665, 631842), (790, 531867), (798, 526535), (817, 514290), (903, 465310), (930, 451801), (1085, 387258), (1106, 379905), (1178, 356685), (1185, 354578), (1290, 325717), (1302, 322715), (1330, 315921), (1333, 315210), (1501, 279930), (1505, 279186), (1634, 257145), (1659, 253270), (1767, 237790), (1806, 232655), (1995, 210614), (2170, 193629), (2370, 177289), (2449, 171570), (2451, 171430), (2666, 157605), (2765, 151962), (2945, 142674), (3002, 139965), (3010, 139593), (3255, 129086), (3318, 126635), (3397, 123690), (3534, 118895), (3990, 105307), (3999, 105070), (4085, 102858), (4123, 101910), (4503, 93310), (4515, 93062), (4898, 85785), (4902, 85715), (5530, 75981), (5719, 73470), (5890, 71337), (6510, 64543), (6665, 63042), (6794, 61845), (7347, 57190), (7505, 55986), (7998, 52535), (8170, 51429), (8246, 50955), (8295, 50654), (8835, 47558), (9006, 46655), (9030, 46531), (9331, 45030), (10191, 41230), (10507, 39990), (11438, 36735), (12245, 34314), (12255, 34286), (12369, 33970), (13330, 31521), (14694, 28595), (15010, 27993), (16590, 25327), (16985, 24738), (17143, 24510), (17157, 24490), (17670, 23779), (18662, 22515), (19995, 21014), (20382, 20615)]