154444160

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1028

約数の個数: 128

約数和(自身を含む): 418975200

約数和(自身を除く): 264531040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 977, 988, 1040, 1216, 1235, 1520, 1664, 1954, 1976, 2080, 2432, 2470, 3040, 3908, 3952, 4160, 4885, 4940, 6080, 7816, 7904, 8320, 9770, 9880, 12160, 12701, 15632, 15808, 18563, 19540, 19760, 25402, 31264, 31616, 37126, 39080, 39520, 50804, 62528, 63505, 74252, 78160, 79040, 92815, 101608, 125056, 127010, 148504, 156320, 158080, 185630, 203216, 241319, 254020, 297008, 312640, 371260, 406432, 482638, 508040, 594016, 625280, 742520, 812864, 965276, 1016080, 1188032, 1206595, 1485040, 1625728, 1930552, 2032160, 2376064, 2413190, 2970080, 3861104, 4064320, 4826380, 5940160, 7722208, 8128640, 9652760, 11880320, 15444416, 19305520, 30888832, 38611040, 77222080, 154444160]

約数ペア:

[(1, 154444160), (2, 77222080), (4, 38611040), (5, 30888832), (8, 19305520), (10, 15444416), (13, 11880320), (16, 9652760), (19, 8128640), (20, 7722208), (26, 5940160), (32, 4826380), (38, 4064320), (40, 3861104), (52, 2970080), (64, 2413190), (65, 2376064), (76, 2032160), (80, 1930552), (95, 1625728), (104, 1485040), (128, 1206595), (130, 1188032), (152, 1016080), (160, 965276), (190, 812864), (208, 742520), (247, 625280), (260, 594016), (304, 508040), (320, 482638), (380, 406432), (416, 371260), (494, 312640), (520, 297008), (608, 254020), (640, 241319), (760, 203216), (832, 185630), (977, 158080), (988, 156320), (1040, 148504), (1216, 127010), (1235, 125056), (1520, 101608), (1664, 92815), (1954, 79040), (1976, 78160), (2080, 74252), (2432, 63505), (2470, 62528), (3040, 50804), (3908, 39520), (3952, 39080), (4160, 37126), (4885, 31616), (4940, 31264), (6080, 25402), (7816, 19760), (7904, 19540), (8320, 18563), (9770, 15808), (9880, 15632), (12160, 12701)]