636559980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{30931}}^1$

素因数の和:30964

約数の個数: 96

約数和(自身を含む): 2078630400

約数和(自身を除く): 1442070420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2940, 3430, 4116, 5145, 6860, 10290, 20580, 30931, 61862, 92793, 123724, 154655, 185586, 216517, 309310, 371172, 433034, 463965, 618620, 649551, 866068, 927930, 1082585, 1299102, 1515619, 1855860, 2165170, 2598204, 3031238, 3247755, 4330340, 4546857, 6062476, 6495510, 7578095, 9093714, 10609333, 12991020, 15156190, 18187428, 21218666, 22734285, 30312380, 31827999, 42437332, 45468570, 53046665, 63655998, 90937140, 106093330, 127311996, 159139995, 212186660, 318279990, 636559980]

約数ペア:

[(1, 636559980), (2, 318279990), (3, 212186660), (4, 159139995), (5, 127311996), (6, 106093330), (7, 90937140), (10, 63655998), (12, 53046665), (14, 45468570), (15, 42437332), (20, 31827999), (21, 30312380), (28, 22734285), (30, 21218666), (35, 18187428), (42, 15156190), (49, 12991020), (60, 10609333), (70, 9093714), (84, 7578095), (98, 6495510), (105, 6062476), (140, 4546857), (147, 4330340), (196, 3247755), (210, 3031238), (245, 2598204), (294, 2165170), (343, 1855860), (420, 1515619), (490, 1299102), (588, 1082585), (686, 927930), (735, 866068), (980, 649551), (1029, 618620), (1372, 463965), (1470, 433034), (1715, 371172), (2058, 309310), (2940, 216517), (3430, 185586), (4116, 154655), (5145, 123724), (6860, 92793), (10290, 61862), (20580, 30931)]