90156990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1318

約数の個数: 128

約数和(自身を含む): 278691840

約数和(自身を除く): 188534850

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 55, 62, 66, 70, 77, 93, 105, 110, 154, 155, 165, 186, 210, 217, 231, 310, 330, 341, 385, 434, 462, 465, 651, 682, 770, 930, 1023, 1085, 1155, 1259, 1302, 1705, 2046, 2170, 2310, 2387, 2518, 3255, 3410, 3777, 4774, 5115, 6295, 6510, 7161, 7554, 8813, 10230, 11935, 12590, 13849, 14322, 17626, 18885, 23870, 26439, 27698, 35805, 37770, 39029, 41547, 44065, 52878, 69245, 71610, 78058, 83094, 88130, 96943, 117087, 132195, 138490, 193886, 195145, 207735, 234174, 264390, 273203, 290829, 390290, 415470, 429319, 484715, 546406, 581658, 585435, 819609, 858638, 969430, 1170870, 1287957, 1366015, 1454145, 1639218, 2146595, 2575914, 2732030, 2908290, 3005233, 4098045, 4293190, 6010466, 6439785, 8196090, 9015699, 12879570, 15026165, 18031398, 30052330, 45078495, 90156990]

約数ペア:

[(1, 90156990), (2, 45078495), (3, 30052330), (5, 18031398), (6, 15026165), (7, 12879570), (10, 9015699), (11, 8196090), (14, 6439785), (15, 6010466), (21, 4293190), (22, 4098045), (30, 3005233), (31, 2908290), (33, 2732030), (35, 2575914), (42, 2146595), (55, 1639218), (62, 1454145), (66, 1366015), (70, 1287957), (77, 1170870), (93, 969430), (105, 858638), (110, 819609), (154, 585435), (155, 581658), (165, 546406), (186, 484715), (210, 429319), (217, 415470), (231, 390290), (310, 290829), (330, 273203), (341, 264390), (385, 234174), (434, 207735), (462, 195145), (465, 193886), (651, 138490), (682, 132195), (770, 117087), (930, 96943), (1023, 88130), (1085, 83094), (1155, 78058), (1259, 71610), (1302, 69245), (1705, 52878), (2046, 44065), (2170, 41547), (2310, 39029), (2387, 37770), (2518, 35805), (3255, 27698), (3410, 26439), (3777, 23870), (4774, 18885), (5115, 17626), (6295, 14322), (6510, 13849), (7161, 12590), (7554, 11935), (8813, 10230)]