253720740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1562

約数の個数: 192

約数和(自身を含む): 903168000

約数和(自身を除く): 649447260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1302, 1365, 1499, 1612, 1820, 1860, 2015, 2170, 2418, 2604, 2730, 2821, 2998, 3255, 4030, 4340, 4497, 4836, 5460, 5642, 5996, 6045, 6510, 7495, 8060, 8463, 8994, 10493, 11284, 12090, 13020, 14105, 14990, 16926, 17988, 19487, 20986, 22485, 24180, 28210, 29980, 31479, 33852, 38974, 41972, 42315, 44970, 46469, 52465, 56420, 58461, 62958, 77948, 84630, 89940, 92938, 97435, 104930, 116922, 125916, 136409, 139407, 157395, 169260, 185876, 194870, 209860, 232345, 233844, 272818, 278814, 292305, 314790, 325283, 389740, 409227, 464690, 545636, 557628, 584610, 604097, 629580, 650566, 682045, 697035, 818454, 929380, 975849, 1169220, 1208194, 1301132, 1364090, 1394070, 1626415, 1636908, 1812291, 1951698, 2046135, 2416388, 2728180, 2788140, 3020485, 3252830, 3624582, 3903396, 4092270, 4228679, 4879245, 6040970, 6505660, 7249164, 8184540, 8457358, 9061455, 9758490, 12081940, 12686037, 16914716, 18122910, 19516980, 21143395, 25372074, 36245820, 42286790, 50744148, 63430185, 84573580, 126860370, 253720740]

約数ペア:

[(1, 253720740), (2, 126860370), (3, 84573580), (4, 63430185), (5, 50744148), (6, 42286790), (7, 36245820), (10, 25372074), (12, 21143395), (13, 19516980), (14, 18122910), (15, 16914716), (20, 12686037), (21, 12081940), (26, 9758490), (28, 9061455), (30, 8457358), (31, 8184540), (35, 7249164), (39, 6505660), (42, 6040970), (52, 4879245), (60, 4228679), (62, 4092270), (65, 3903396), (70, 3624582), (78, 3252830), (84, 3020485), (91, 2788140), (93, 2728180), (105, 2416388), (124, 2046135), (130, 1951698), (140, 1812291), (155, 1636908), (156, 1626415), (182, 1394070), (186, 1364090), (195, 1301132), (210, 1208194), (217, 1169220), (260, 975849), (273, 929380), (310, 818454), (364, 697035), (372, 682045), (390, 650566), (403, 629580), (420, 604097), (434, 584610), (455, 557628), (465, 545636), (546, 464690), (620, 409227), (651, 389740), (780, 325283), (806, 314790), (868, 292305), (910, 278814), (930, 272818), (1085, 233844), (1092, 232345), (1209, 209860), (1302, 194870), (1365, 185876), (1499, 169260), (1612, 157395), (1820, 139407), (1860, 136409), (2015, 125916), (2170, 116922), (2418, 104930), (2604, 97435), (2730, 92938), (2821, 89940), (2998, 84630), (3255, 77948), (4030, 62958), (4340, 58461), (4497, 56420), (4836, 52465), (5460, 46469), (5642, 44970), (5996, 42315), (6045, 41972), (6510, 38974), (7495, 33852), (8060, 31479), (8463, 29980), (8994, 28210), (10493, 24180), (11284, 22485), (12090, 20986), (13020, 19487), (14105, 17988), (14990, 16926)]