8320565540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{683}}^1$

素因数の和:1138

約数の個数: 144

約数和(自身を含む): 21064748544

約数和(自身を除く): 12744183004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 401, 434, 490, 620, 683, 802, 868, 980, 1085, 1366, 1519, 1604, 2005, 2170, 2732, 2807, 3038, 3415, 4010, 4340, 4781, 5614, 6076, 6830, 7595, 8020, 9562, 11228, 12431, 13660, 14035, 15190, 19124, 19649, 21173, 23905, 24862, 28070, 30380, 33467, 39298, 42346, 47810, 49724, 56140, 62155, 66934, 78596, 84692, 87017, 95620, 98245, 105865, 124310, 133868, 148211, 167335, 174034, 196490, 211730, 248620, 273883, 296422, 334670, 348068, 392980, 423460, 435085, 547766, 592844, 609119, 669340, 741055, 870170, 1037477, 1095532, 1218238, 1369415, 1482110, 1740340, 1917181, 2074954, 2436476, 2738830, 2964220, 3045595, 3834362, 4149908, 5187385, 5477660, 6091190, 7668724, 8490373, 9585905, 10374770, 12182380, 13420267, 16980746, 19171810, 20749540, 26840534, 33961492, 38343620, 42451865, 53681068, 59432611, 67101335, 84903730, 118865222, 134202670, 169807460, 237730444, 268405340, 297163055, 416028277, 594326110, 832056554, 1188652220, 1664113108, 2080141385, 4160282770, 8320565540]

約数ペア:

[(1, 8320565540), (2, 4160282770), (4, 2080141385), (5, 1664113108), (7, 1188652220), (10, 832056554), (14, 594326110), (20, 416028277), (28, 297163055), (31, 268405340), (35, 237730444), (49, 169807460), (62, 134202670), (70, 118865222), (98, 84903730), (124, 67101335), (140, 59432611), (155, 53681068), (196, 42451865), (217, 38343620), (245, 33961492), (310, 26840534), (401, 20749540), (434, 19171810), (490, 16980746), (620, 13420267), (683, 12182380), (802, 10374770), (868, 9585905), (980, 8490373), (1085, 7668724), (1366, 6091190), (1519, 5477660), (1604, 5187385), (2005, 4149908), (2170, 3834362), (2732, 3045595), (2807, 2964220), (3038, 2738830), (3415, 2436476), (4010, 2074954), (4340, 1917181), (4781, 1740340), (5614, 1482110), (6076, 1369415), (6830, 1218238), (7595, 1095532), (8020, 1037477), (9562, 870170), (11228, 741055), (12431, 669340), (13660, 609119), (14035, 592844), (15190, 547766), (19124, 435085), (19649, 423460), (21173, 392980), (23905, 348068), (24862, 334670), (28070, 296422), (30380, 273883), (33467, 248620), (39298, 211730), (42346, 196490), (47810, 174034), (49724, 167335), (56140, 148211), (62155, 133868), (66934, 124310), (78596, 105865), (84692, 98245), (87017, 95620)]