72157554

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 160

約数和(自身を含む): 206997120

約数和(自身を除く): 134839566

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 27, 34, 38, 42, 51, 54, 57, 63, 81, 102, 114, 119, 126, 133, 153, 162, 171, 189, 197, 238, 266, 306, 323, 342, 357, 378, 394, 399, 459, 513, 567, 591, 646, 714, 798, 918, 969, 1026, 1071, 1134, 1182, 1197, 1377, 1379, 1539, 1773, 1938, 2142, 2261, 2394, 2754, 2758, 2907, 3078, 3213, 3349, 3546, 3591, 3743, 4137, 4522, 5319, 5814, 6426, 6698, 6783, 7182, 7486, 8274, 8721, 9639, 10047, 10638, 10773, 11229, 12411, 13566, 15957, 17442, 19278, 20094, 20349, 21546, 22458, 23443, 24822, 26163, 26201, 30141, 31914, 33687, 37233, 40698, 46886, 52326, 52402, 60282, 61047, 63631, 67374, 70329, 74466, 78603, 90423, 101061, 111699, 122094, 127262, 140658, 157206, 180846, 183141, 190893, 202122, 210987, 223398, 235809, 271269, 303183, 366282, 381786, 421974, 445417, 471618, 542538, 572679, 606366, 632961, 707427, 890834, 1145358, 1265922, 1336251, 1414854, 1718037, 1898883, 2122281, 2672502, 3436074, 3797766, 4008753, 4244562, 5154111, 8017506, 10308222, 12026259, 24052518, 36078777, 72157554]

約数ペア:

[(1, 72157554), (2, 36078777), (3, 24052518), (6, 12026259), (7, 10308222), (9, 8017506), (14, 5154111), (17, 4244562), (18, 4008753), (19, 3797766), (21, 3436074), (27, 2672502), (34, 2122281), (38, 1898883), (42, 1718037), (51, 1414854), (54, 1336251), (57, 1265922), (63, 1145358), (81, 890834), (102, 707427), (114, 632961), (119, 606366), (126, 572679), (133, 542538), (153, 471618), (162, 445417), (171, 421974), (189, 381786), (197, 366282), (238, 303183), (266, 271269), (306, 235809), (323, 223398), (342, 210987), (357, 202122), (378, 190893), (394, 183141), (399, 180846), (459, 157206), (513, 140658), (567, 127262), (591, 122094), (646, 111699), (714, 101061), (798, 90423), (918, 78603), (969, 74466), (1026, 70329), (1071, 67374), (1134, 63631), (1182, 61047), (1197, 60282), (1377, 52402), (1379, 52326), (1539, 46886), (1773, 40698), (1938, 37233), (2142, 33687), (2261, 31914), (2394, 30141), (2754, 26201), (2758, 26163), (2907, 24822), (3078, 23443), (3213, 22458), (3349, 21546), (3546, 20349), (3591, 20094), (3743, 19278), (4137, 17442), (4522, 15957), (5319, 13566), (5814, 12411), (6426, 11229), (6698, 10773), (6783, 10638), (7182, 10047), (7486, 9639), (8274, 8721)]