16581532760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{8191}}^1$

素因数の和:8461

約数の個数: 128

約数和(自身を含む): 42732748800

約数和(自身を除く): 26151216040

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 229, 260, 340, 442, 458, 520, 680, 884, 916, 1105, 1145, 1768, 1832, 2210, 2290, 2977, 3893, 4420, 4580, 5954, 7786, 8191, 8840, 9160, 11908, 14885, 15572, 16382, 19465, 23816, 29770, 31144, 32764, 38930, 40955, 50609, 59540, 65528, 77860, 81910, 101218, 106483, 119080, 139247, 155720, 163820, 202436, 212966, 253045, 278494, 327640, 404872, 425932, 506090, 532415, 556988, 696235, 851864, 1012180, 1064830, 1113976, 1392470, 1810211, 1875739, 2024360, 2129660, 2784940, 3620422, 3751478, 4259320, 5569880, 7240844, 7502956, 9051055, 9378695, 14481688, 15005912, 18102110, 18757390, 24384607, 31887563, 36204220, 37514780, 48769214, 63775126, 72408440, 75029560, 97538428, 121923035, 127550252, 159437815, 195076856, 243846070, 255100504, 318875630, 414538319, 487692140, 637751260, 829076638, 975384280, 1275502520, 1658153276, 2072691595, 3316306552, 4145383190, 8290766380, 16581532760]

約数ペア:

[(1, 16581532760), (2, 8290766380), (4, 4145383190), (5, 3316306552), (8, 2072691595), (10, 1658153276), (13, 1275502520), (17, 975384280), (20, 829076638), (26, 637751260), (34, 487692140), (40, 414538319), (52, 318875630), (65, 255100504), (68, 243846070), (85, 195076856), (104, 159437815), (130, 127550252), (136, 121923035), (170, 97538428), (221, 75029560), (229, 72408440), (260, 63775126), (340, 48769214), (442, 37514780), (458, 36204220), (520, 31887563), (680, 24384607), (884, 18757390), (916, 18102110), (1105, 15005912), (1145, 14481688), (1768, 9378695), (1832, 9051055), (2210, 7502956), (2290, 7240844), (2977, 5569880), (3893, 4259320), (4420, 3751478), (4580, 3620422), (5954, 2784940), (7786, 2129660), (8191, 2024360), (8840, 1875739), (9160, 1810211), (11908, 1392470), (14885, 1113976), (15572, 1064830), (16382, 1012180), (19465, 851864), (23816, 696235), (29770, 556988), (31144, 532415), (32764, 506090), (38930, 425932), (40955, 404872), (50609, 327640), (59540, 278494), (65528, 253045), (77860, 212966), (81910, 202436), (101218, 163820), (106483, 155720), (119080, 139247)]