155640780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2677}}^1$

素因数の和:2728

約数の個数: 144

約数和(自身を含む): 526387680

約数和(自身を除く): 370746900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2677, 2907, 3060, 3230, 3420, 3876, 4845, 5354, 5814, 6460, 8031, 9690, 10708, 11628, 13385, 14535, 16062, 19380, 24093, 26770, 29070, 32124, 40155, 45509, 48186, 50863, 53540, 58140, 80310, 91018, 96372, 101726, 120465, 136527, 152589, 160620, 182036, 203452, 227545, 240930, 254315, 273054, 305178, 409581, 455090, 457767, 481860, 508630, 546108, 610356, 682635, 762945, 819162, 864671, 910180, 915534, 1017260, 1365270, 1525890, 1638324, 1729342, 1831068, 2047905, 2288835, 2594013, 2730540, 3051780, 3458684, 4095810, 4323355, 4577670, 5188026, 7782039, 8191620, 8646710, 9155340, 10376052, 12970065, 15564078, 17293420, 25940130, 31128156, 38910195, 51880260, 77820390, 155640780]

約数ペア:

[(1, 155640780), (2, 77820390), (3, 51880260), (4, 38910195), (5, 31128156), (6, 25940130), (9, 17293420), (10, 15564078), (12, 12970065), (15, 10376052), (17, 9155340), (18, 8646710), (19, 8191620), (20, 7782039), (30, 5188026), (34, 4577670), (36, 4323355), (38, 4095810), (45, 3458684), (51, 3051780), (57, 2730540), (60, 2594013), (68, 2288835), (76, 2047905), (85, 1831068), (90, 1729342), (95, 1638324), (102, 1525890), (114, 1365270), (153, 1017260), (170, 915534), (171, 910180), (180, 864671), (190, 819162), (204, 762945), (228, 682635), (255, 610356), (285, 546108), (306, 508630), (323, 481860), (340, 457767), (342, 455090), (380, 409581), (510, 305178), (570, 273054), (612, 254315), (646, 240930), (684, 227545), (765, 203452), (855, 182036), (969, 160620), (1020, 152589), (1140, 136527), (1292, 120465), (1530, 101726), (1615, 96372), (1710, 91018), (1938, 80310), (2677, 58140), (2907, 53540), (3060, 50863), (3230, 48186), (3420, 45509), (3876, 40155), (4845, 32124), (5354, 29070), (5814, 26770), (6460, 24093), (8031, 19380), (9690, 16062), (10708, 14535), (11628, 13385)]