490472080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1557

約数の個数: 160

約数和(自身を含む): 1417052160

約数和(自身を除く): 926580080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1487, 1520, 1736, 2128, 2170, 2356, 2480, 2660, 2945, 2974, 3472, 4123, 4340, 4712, 5320, 5890, 5948, 7435, 8246, 8680, 9424, 10409, 10640, 11780, 11896, 14870, 16492, 17360, 20615, 20818, 23560, 23792, 28253, 29740, 32984, 41230, 41636, 46097, 47120, 52045, 56506, 59480, 65968, 82460, 83272, 92194, 104090, 113012, 118960, 141265, 164920, 166544, 184388, 197771, 208180, 226024, 230485, 282530, 322679, 329840, 368776, 395542, 416360, 452048, 460970, 565060, 645358, 737552, 791084, 832720, 875843, 921940, 988855, 1130120, 1290716, 1582168, 1613395, 1751686, 1843880, 1977710, 2260240, 2581432, 3164336, 3226790, 3503372, 3687760, 3955420, 4379215, 5162864, 6130901, 6453580, 7006744, 7910840, 8758430, 12261802, 12907160, 14013488, 15821680, 17516860, 24523604, 25814320, 30654505, 35033720, 49047208, 61309010, 70067440, 98094416, 122618020, 245236040, 490472080]

約数ペア:

[(1, 490472080), (2, 245236040), (4, 122618020), (5, 98094416), (7, 70067440), (8, 61309010), (10, 49047208), (14, 35033720), (16, 30654505), (19, 25814320), (20, 24523604), (28, 17516860), (31, 15821680), (35, 14013488), (38, 12907160), (40, 12261802), (56, 8758430), (62, 7910840), (70, 7006744), (76, 6453580), (80, 6130901), (95, 5162864), (112, 4379215), (124, 3955420), (133, 3687760), (140, 3503372), (152, 3226790), (155, 3164336), (190, 2581432), (217, 2260240), (248, 1977710), (266, 1843880), (280, 1751686), (304, 1613395), (310, 1582168), (380, 1290716), (434, 1130120), (496, 988855), (532, 921940), (560, 875843), (589, 832720), (620, 791084), (665, 737552), (760, 645358), (868, 565060), (1064, 460970), (1085, 452048), (1178, 416360), (1240, 395542), (1330, 368776), (1487, 329840), (1520, 322679), (1736, 282530), (2128, 230485), (2170, 226024), (2356, 208180), (2480, 197771), (2660, 184388), (2945, 166544), (2974, 164920), (3472, 141265), (4123, 118960), (4340, 113012), (4712, 104090), (5320, 92194), (5890, 83272), (5948, 82460), (7435, 65968), (8246, 59480), (8680, 56506), (9424, 52045), (10409, 47120), (10640, 46097), (11780, 41636), (11896, 41230), (14870, 32984), (16492, 29740), (17360, 28253), (20615, 23792), (20818, 23560)]