87309180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:569

約数の個数: 216

約数和(自身を含む): 324913680

約数和(自身を除く): 237604500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 521, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1042, 1140, 1197, 1260, 1330, 1470, 1563, 1596, 1710, 1764, 1862, 1995, 2084, 2205, 2394, 2605, 2660, 2793, 2940, 3126, 3420, 3647, 3724, 3990, 4410, 4655, 4689, 4788, 5210, 5586, 5985, 6252, 7294, 7815, 7980, 8379, 8820, 9310, 9378, 9899, 10420, 10941, 11172, 11970, 13965, 14588, 15630, 16758, 18235, 18620, 18756, 19798, 21882, 23445, 23940, 25529, 27930, 29697, 31260, 32823, 33516, 36470, 39596, 41895, 43764, 46890, 49495, 51058, 54705, 55860, 59394, 65646, 69293, 72940, 76587, 83790, 89091, 93780, 98990, 102116, 109410, 118788, 127645, 131292, 138586, 148485, 153174, 164115, 167580, 178182, 197980, 207879, 218820, 229761, 255290, 277172, 296970, 306348, 328230, 346465, 356364, 382935, 415758, 445455, 459522, 485051, 510580, 593940, 623637, 656460, 692930, 765870, 831516, 890910, 919044, 970102, 1039395, 1148805, 1247274, 1385860, 1455153, 1531740, 1781820, 1940204, 2078790, 2297610, 2425255, 2494548, 2910306, 3118185, 4157580, 4365459, 4595220, 4850510, 5820612, 6236370, 7275765, 8730918, 9701020, 12472740, 14551530, 17461836, 21827295, 29103060, 43654590, 87309180]

約数ペア:

[(1, 87309180), (2, 43654590), (3, 29103060), (4, 21827295), (5, 17461836), (6, 14551530), (7, 12472740), (9, 9701020), (10, 8730918), (12, 7275765), (14, 6236370), (15, 5820612), (18, 4850510), (19, 4595220), (20, 4365459), (21, 4157580), (28, 3118185), (30, 2910306), (35, 2494548), (36, 2425255), (38, 2297610), (42, 2078790), (45, 1940204), (49, 1781820), (57, 1531740), (60, 1455153), (63, 1385860), (70, 1247274), (76, 1148805), (84, 1039395), (90, 970102), (95, 919044), (98, 890910), (105, 831516), (114, 765870), (126, 692930), (133, 656460), (140, 623637), (147, 593940), (171, 510580), (180, 485051), (190, 459522), (196, 445455), (210, 415758), (228, 382935), (245, 356364), (252, 346465), (266, 328230), (285, 306348), (294, 296970), (315, 277172), (342, 255290), (380, 229761), (399, 218820), (420, 207879), (441, 197980), (490, 178182), (521, 167580), (532, 164115), (570, 153174), (588, 148485), (630, 138586), (665, 131292), (684, 127645), (735, 118788), (798, 109410), (855, 102116), (882, 98990), (931, 93780), (980, 89091), (1042, 83790), (1140, 76587), (1197, 72940), (1260, 69293), (1330, 65646), (1470, 59394), (1563, 55860), (1596, 54705), (1710, 51058), (1764, 49495), (1862, 46890), (1995, 43764), (2084, 41895), (2205, 39596), (2394, 36470), (2605, 33516), (2660, 32823), (2793, 31260), (2940, 29697), (3126, 27930), (3420, 25529), (3647, 23940), (3724, 23445), (3990, 21882), (4410, 19798), (4655, 18756), (4689, 18620), (4788, 18235), (5210, 16758), (5586, 15630), (5985, 14588), (6252, 13965), (7294, 11970), (7815, 11172), (7980, 10941), (8379, 10420), (8820, 9899), (9310, 9378)]