208020060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 657139392

約数和(自身を除く): 449119332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 71, 82, 90, 123, 142, 164, 180, 205, 213, 246, 284, 355, 369, 397, 410, 426, 492, 615, 639, 710, 738, 794, 820, 852, 1065, 1191, 1230, 1278, 1420, 1476, 1588, 1845, 1985, 2130, 2382, 2460, 2556, 2911, 3195, 3573, 3690, 3970, 4260, 4764, 5822, 5955, 6390, 7146, 7380, 7940, 8733, 11644, 11910, 12780, 14292, 14555, 16277, 17466, 17865, 23820, 26199, 28187, 29110, 32554, 34932, 35730, 43665, 48831, 52398, 56374, 58220, 65108, 71460, 81385, 84561, 87330, 97662, 104796, 112748, 130995, 140935, 146493, 162770, 169122, 174660, 195324, 244155, 253683, 261990, 281870, 292986, 325540, 338244, 422805, 488310, 507366, 523980, 563740, 585972, 732465, 845610, 976620, 1014732, 1155667, 1268415, 1464930, 1691220, 2311334, 2536830, 2929860, 3467001, 4622668, 5073660, 5778335, 6934002, 10401003, 11556670, 13868004, 17335005, 20802006, 23113340, 34670010, 41604012, 52005015, 69340020, 104010030, 208020060]

約数ペア:

[(1, 208020060), (2, 104010030), (3, 69340020), (4, 52005015), (5, 41604012), (6, 34670010), (9, 23113340), (10, 20802006), (12, 17335005), (15, 13868004), (18, 11556670), (20, 10401003), (30, 6934002), (36, 5778335), (41, 5073660), (45, 4622668), (60, 3467001), (71, 2929860), (82, 2536830), (90, 2311334), (123, 1691220), (142, 1464930), (164, 1268415), (180, 1155667), (205, 1014732), (213, 976620), (246, 845610), (284, 732465), (355, 585972), (369, 563740), (397, 523980), (410, 507366), (426, 488310), (492, 422805), (615, 338244), (639, 325540), (710, 292986), (738, 281870), (794, 261990), (820, 253683), (852, 244155), (1065, 195324), (1191, 174660), (1230, 169122), (1278, 162770), (1420, 146493), (1476, 140935), (1588, 130995), (1845, 112748), (1985, 104796), (2130, 97662), (2382, 87330), (2460, 84561), (2556, 81385), (2911, 71460), (3195, 65108), (3573, 58220), (3690, 56374), (3970, 52398), (4260, 48831), (4764, 43665), (5822, 35730), (5955, 34932), (6390, 32554), (7146, 29110), (7380, 28187), (7940, 26199), (8733, 23820), (11644, 17865), (11910, 17466), (12780, 16277), (14292, 14555)]