78759980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 191528064

約数和(自身を除く): 112768084

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 103, 130, 170, 173, 206, 221, 260, 340, 346, 412, 442, 515, 692, 865, 884, 1030, 1105, 1339, 1730, 1751, 2060, 2210, 2249, 2678, 2941, 3460, 3502, 4420, 4498, 5356, 5882, 6695, 7004, 8755, 8996, 11245, 11764, 13390, 14705, 17510, 17819, 22490, 22763, 26780, 29410, 35020, 35638, 38233, 44980, 45526, 58820, 71276, 76466, 89095, 91052, 113815, 152932, 178190, 191165, 227630, 231647, 302923, 356380, 382330, 455260, 463294, 605846, 764660, 926588, 1158235, 1211692, 1514615, 2316470, 3029230, 3937999, 4632940, 6058460, 7875998, 15751996, 19689995, 39379990, 78759980]

約数ペア:

[(1, 78759980), (2, 39379990), (4, 19689995), (5, 15751996), (10, 7875998), (13, 6058460), (17, 4632940), (20, 3937999), (26, 3029230), (34, 2316470), (52, 1514615), (65, 1211692), (68, 1158235), (85, 926588), (103, 764660), (130, 605846), (170, 463294), (173, 455260), (206, 382330), (221, 356380), (260, 302923), (340, 231647), (346, 227630), (412, 191165), (442, 178190), (515, 152932), (692, 113815), (865, 91052), (884, 89095), (1030, 76466), (1105, 71276), (1339, 58820), (1730, 45526), (1751, 44980), (2060, 38233), (2210, 35638), (2249, 35020), (2678, 29410), (2941, 26780), (3460, 22763), (3502, 22490), (4420, 17819), (4498, 17510), (5356, 14705), (5882, 13390), (6695, 11764), (7004, 11245), (8755, 8996)]