678399720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1215

約数の個数: 128

約数和(自身を含む): 2133872640

約数和(自身を除く): 1455472920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 271, 276, 345, 460, 542, 552, 690, 813, 907, 920, 1084, 1355, 1380, 1626, 1814, 2168, 2710, 2721, 2760, 3252, 3628, 4065, 4535, 5420, 5442, 6233, 6504, 7256, 8130, 9070, 10840, 10884, 12466, 13605, 16260, 18140, 18699, 20861, 21768, 24932, 27210, 31165, 32520, 36280, 37398, 41722, 49864, 54420, 62330, 62583, 74796, 83444, 93495, 104305, 108840, 124660, 125166, 149592, 166888, 186990, 208610, 245797, 249320, 250332, 312915, 373980, 417220, 491594, 500664, 625830, 737391, 747960, 834440, 983188, 1228985, 1251660, 1474782, 1966376, 2457970, 2503320, 2949564, 3686955, 4915940, 5653331, 5899128, 7373910, 9831880, 11306662, 14747820, 16959993, 22613324, 28266655, 29495640, 33919986, 45226648, 56533310, 67839972, 84799965, 113066620, 135679944, 169599930, 226133240, 339199860, 678399720]

約数ペア:

[(1, 678399720), (2, 339199860), (3, 226133240), (4, 169599930), (5, 135679944), (6, 113066620), (8, 84799965), (10, 67839972), (12, 56533310), (15, 45226648), (20, 33919986), (23, 29495640), (24, 28266655), (30, 22613324), (40, 16959993), (46, 14747820), (60, 11306662), (69, 9831880), (92, 7373910), (115, 5899128), (120, 5653331), (138, 4915940), (184, 3686955), (230, 2949564), (271, 2503320), (276, 2457970), (345, 1966376), (460, 1474782), (542, 1251660), (552, 1228985), (690, 983188), (813, 834440), (907, 747960), (920, 737391), (1084, 625830), (1355, 500664), (1380, 491594), (1626, 417220), (1814, 373980), (2168, 312915), (2710, 250332), (2721, 249320), (2760, 245797), (3252, 208610), (3628, 186990), (4065, 166888), (4535, 149592), (5420, 125166), (5442, 124660), (6233, 108840), (6504, 104305), (7256, 93495), (8130, 83444), (9070, 74796), (10840, 62583), (10884, 62330), (12466, 54420), (13605, 49864), (16260, 41722), (18140, 37398), (18699, 36280), (20861, 32520), (21768, 31165), (24932, 27210)]