720253710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^2$

素因数の和:172

約数の個数: 216

約数和(自身を含む): 2204060040

約数和(自身を除く): 1483806330

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 59, 66, 90, 95, 99, 110, 114, 118, 121, 165, 171, 177, 190, 198, 209, 242, 285, 295, 330, 342, 354, 363, 418, 495, 531, 570, 590, 605, 627, 649, 726, 855, 885, 990, 1045, 1062, 1089, 1121, 1210, 1254, 1298, 1710, 1770, 1815, 1881, 1947, 2090, 2178, 2242, 2299, 2655, 3135, 3245, 3363, 3481, 3630, 3762, 3894, 4598, 5310, 5445, 5605, 5841, 6270, 6490, 6726, 6897, 6962, 7139, 9405, 9735, 10089, 10443, 10890, 11210, 11495, 11682, 12331, 13794, 14278, 16815, 17405, 18810, 19470, 20178, 20691, 20886, 21417, 22990, 24662, 29205, 31329, 33630, 34485, 34810, 35695, 36993, 38291, 41382, 42834, 50445, 52215, 58410, 61655, 62658, 64251, 66139, 68970, 71390, 73986, 76582, 100890, 103455, 104430, 107085, 110979, 114873, 123310, 128502, 132278, 135641, 156645, 184965, 191455, 198417, 206910, 214170, 221958, 229746, 271282, 313290, 321255, 330695, 344619, 369930, 382910, 396834, 406923, 421201, 554895, 574365, 595251, 642510, 661390, 678205, 689238, 727529, 813846, 842402, 992085, 1109790, 1148730, 1190502, 1220769, 1263603, 1356410, 1455058, 1723095, 1984170, 2034615, 2106005, 2182587, 2441538, 2527206, 2976255, 3446190, 3637645, 3790809, 4069230, 4212010, 4365174, 5952510, 6103845, 6318015, 6547761, 7275290, 7581618, 8002819, 10912935, 12207690, 12636030, 13095522, 16005638, 18954045, 21825870, 24008457, 32738805, 37908090, 40014095, 48016914, 65477610, 72025371, 80028190, 120042285, 144050742, 240084570, 360126855, 720253710]

約数ペア:

[(1, 720253710), (2, 360126855), (3, 240084570), (5, 144050742), (6, 120042285), (9, 80028190), (10, 72025371), (11, 65477610), (15, 48016914), (18, 40014095), (19, 37908090), (22, 32738805), (30, 24008457), (33, 21825870), (38, 18954045), (45, 16005638), (55, 13095522), (57, 12636030), (59, 12207690), (66, 10912935), (90, 8002819), (95, 7581618), (99, 7275290), (110, 6547761), (114, 6318015), (118, 6103845), (121, 5952510), (165, 4365174), (171, 4212010), (177, 4069230), (190, 3790809), (198, 3637645), (209, 3446190), (242, 2976255), (285, 2527206), (295, 2441538), (330, 2182587), (342, 2106005), (354, 2034615), (363, 1984170), (418, 1723095), (495, 1455058), (531, 1356410), (570, 1263603), (590, 1220769), (605, 1190502), (627, 1148730), (649, 1109790), (726, 992085), (855, 842402), (885, 813846), (990, 727529), (1045, 689238), (1062, 678205), (1089, 661390), (1121, 642510), (1210, 595251), (1254, 574365), (1298, 554895), (1710, 421201), (1770, 406923), (1815, 396834), (1881, 382910), (1947, 369930), (2090, 344619), (2178, 330695), (2242, 321255), (2299, 313290), (2655, 271282), (3135, 229746), (3245, 221958), (3363, 214170), (3481, 206910), (3630, 198417), (3762, 191455), (3894, 184965), (4598, 156645), (5310, 135641), (5445, 132278), (5605, 128502), (5841, 123310), (6270, 114873), (6490, 110979), (6726, 107085), (6897, 104430), (6962, 103455), (7139, 100890), (9405, 76582), (9735, 73986), (10089, 71390), (10443, 68970), (10890, 66139), (11210, 64251), (11495, 62658), (11682, 61655), (12331, 58410), (13794, 52215), (14278, 50445), (16815, 42834), (17405, 41382), (18810, 38291), (19470, 36993), (20178, 35695), (20691, 34810), (20886, 34485), (21417, 33630), (22990, 31329), (24662, 29205)]