240895440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19681}}^1$

素因数の和:19717

約数の個数: 120

約数和(自身を含む): 856639368

約数和(自身を除く): 615743928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 19681, 39362, 59043, 78724, 98405, 118086, 157448, 177129, 196810, 236172, 295215, 314896, 334577, 354258, 393620, 472344, 590430, 669154, 708516, 787240, 885645, 944688, 1003731, 1180860, 1338308, 1417032, 1574480, 1672885, 1771290, 2007462, 2361720, 2676616, 2834064, 3011193, 3345770, 3542580, 4014924, 4723440, 5018655, 5353232, 6022386, 6691540, 7085160, 8029848, 10037310, 12044772, 13383080, 14170320, 15055965, 16059696, 20074620, 24089544, 26766160, 30111930, 40149240, 48179088, 60223860, 80298480, 120447720, 240895440]

約数ペア:

[(1, 240895440), (2, 120447720), (3, 80298480), (4, 60223860), (5, 48179088), (6, 40149240), (8, 30111930), (9, 26766160), (10, 24089544), (12, 20074620), (15, 16059696), (16, 15055965), (17, 14170320), (18, 13383080), (20, 12044772), (24, 10037310), (30, 8029848), (34, 7085160), (36, 6691540), (40, 6022386), (45, 5353232), (48, 5018655), (51, 4723440), (60, 4014924), (68, 3542580), (72, 3345770), (80, 3011193), (85, 2834064), (90, 2676616), (102, 2361720), (120, 2007462), (136, 1771290), (144, 1672885), (153, 1574480), (170, 1417032), (180, 1338308), (204, 1180860), (240, 1003731), (255, 944688), (272, 885645), (306, 787240), (340, 708516), (360, 669154), (408, 590430), (510, 472344), (612, 393620), (680, 354258), (720, 334577), (765, 314896), (816, 295215), (1020, 236172), (1224, 196810), (1360, 177129), (1530, 157448), (2040, 118086), (2448, 98405), (3060, 78724), (4080, 59043), (6120, 39362), (12240, 19681)]