278320240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13751}}^1$

素因数の和:13798

約数の個数: 80

約数和(自身を含む): 736667136

約数和(自身を除く): 458346896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 13751, 20240, 27502, 55004, 68755, 110008, 137510, 151261, 220016, 275020, 302522, 316273, 550040, 605044, 632546, 756305, 1100080, 1210088, 1265092, 1512610, 1581365, 2420176, 2530184, 3025220, 3162730, 3479003, 5060368, 6050440, 6325460, 6958006, 12100880, 12650920, 13916012, 17395015, 25301840, 27832024, 34790030, 55664048, 69580060, 139160120, 278320240]

約数ペア:

[(1, 278320240), (2, 139160120), (4, 69580060), (5, 55664048), (8, 34790030), (10, 27832024), (11, 25301840), (16, 17395015), (20, 13916012), (22, 12650920), (23, 12100880), (40, 6958006), (44, 6325460), (46, 6050440), (55, 5060368), (80, 3479003), (88, 3162730), (92, 3025220), (110, 2530184), (115, 2420176), (176, 1581365), (184, 1512610), (220, 1265092), (230, 1210088), (253, 1100080), (368, 756305), (440, 632546), (460, 605044), (506, 550040), (880, 316273), (920, 302522), (1012, 275020), (1265, 220016), (1840, 151261), (2024, 137510), (2530, 110008), (4048, 68755), (5060, 55004), (10120, 27502), (13751, 20240)]