491980680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4231}}^1$

素因数の和:4284

約数の個数: 192

約数和(自身を含む): 1782518400

約数和(自身を除く): 1290537720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 136, 152, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 680, 684, 760, 765, 855, 969, 1020, 1140, 1224, 1292, 1368, 1530, 1615, 1710, 1938, 2040, 2280, 2584, 2907, 3060, 3230, 3420, 3876, 4231, 4845, 5814, 6120, 6460, 6840, 7752, 8462, 9690, 11628, 12693, 12920, 14535, 16924, 19380, 21155, 23256, 25386, 29070, 33848, 38079, 38760, 42310, 50772, 58140, 63465, 71927, 76158, 80389, 84620, 101544, 116280, 126930, 143854, 152316, 160778, 169240, 190395, 215781, 241167, 253860, 287708, 304632, 321556, 359635, 380790, 401945, 431562, 482334, 507720, 575416, 643112, 647343, 719270, 723501, 761580, 803890, 863124, 964668, 1078905, 1205835, 1294686, 1366613, 1438540, 1447002, 1523160, 1607780, 1726248, 1929336, 2157810, 2411670, 2589372, 2733226, 2877080, 2894004, 3215560, 3236715, 3617505, 4099839, 4315620, 4823340, 5178744, 5466452, 5788008, 6473430, 6833065, 7235010, 8199678, 8631240, 9646680, 10932904, 12299517, 12946860, 13666130, 14470020, 16399356, 20499195, 24599034, 25893720, 27332260, 28940040, 32798712, 40998390, 49198068, 54664520, 61497585, 81996780, 98396136, 122995170, 163993560, 245990340, 491980680]

約数ペア:

[(1, 491980680), (2, 245990340), (3, 163993560), (4, 122995170), (5, 98396136), (6, 81996780), (8, 61497585), (9, 54664520), (10, 49198068), (12, 40998390), (15, 32798712), (17, 28940040), (18, 27332260), (19, 25893720), (20, 24599034), (24, 20499195), (30, 16399356), (34, 14470020), (36, 13666130), (38, 12946860), (40, 12299517), (45, 10932904), (51, 9646680), (57, 8631240), (60, 8199678), (68, 7235010), (72, 6833065), (76, 6473430), (85, 5788008), (90, 5466452), (95, 5178744), (102, 4823340), (114, 4315620), (120, 4099839), (136, 3617505), (152, 3236715), (153, 3215560), (170, 2894004), (171, 2877080), (180, 2733226), (190, 2589372), (204, 2411670), (228, 2157810), (255, 1929336), (285, 1726248), (306, 1607780), (323, 1523160), (340, 1447002), (342, 1438540), (360, 1366613), (380, 1294686), (408, 1205835), (456, 1078905), (510, 964668), (570, 863124), (612, 803890), (646, 761580), (680, 723501), (684, 719270), (760, 647343), (765, 643112), (855, 575416), (969, 507720), (1020, 482334), (1140, 431562), (1224, 401945), (1292, 380790), (1368, 359635), (1530, 321556), (1615, 304632), (1710, 287708), (1938, 253860), (2040, 241167), (2280, 215781), (2584, 190395), (2907, 169240), (3060, 160778), (3230, 152316), (3420, 143854), (3876, 126930), (4231, 116280), (4845, 101544), (5814, 84620), (6120, 80389), (6460, 76158), (6840, 71927), (7752, 63465), (8462, 58140), (9690, 50772), (11628, 42310), (12693, 38760), (12920, 38079), (14535, 33848), (16924, 29070), (19380, 25386), (21155, 23256)]