281934580464

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^2\times {\mathrm{388391}}^1$

素因数の和:388547

約数の個数: 90

約数和(自身を含む): 800296863288

約数和(自身を除く): 518362282824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5041, 5112, 10082, 10224, 15123, 20164, 30246, 40328, 45369, 60492, 80656, 90738, 120984, 181476, 241968, 362952, 388391, 725904, 776782, 1165173, 1553564, 2330346, 3107128, 3495519, 4660692, 6214256, 6991038, 9321384, 13982076, 18642768, 27575761, 27964152, 55151522, 55928304, 82727283, 110303044, 165454566, 220606088, 248181849, 330909132, 441212176, 496363698, 661818264, 992727396, 1323636528, 1957879031, 1985454792, 3915758062, 3970909584, 5873637093, 7831516124, 11747274186, 15663032248, 17620911279, 23494548372, 31326064496, 35241822558, 46989096744, 70483645116, 93978193488, 140967290232, 281934580464]

約数ペア:

[(1, 281934580464), (2, 140967290232), (3, 93978193488), (4, 70483645116), (6, 46989096744), (8, 35241822558), (9, 31326064496), (12, 23494548372), (16, 17620911279), (18, 15663032248), (24, 11747274186), (36, 7831516124), (48, 5873637093), (71, 3970909584), (72, 3915758062), (142, 1985454792), (144, 1957879031), (213, 1323636528), (284, 992727396), (426, 661818264), (568, 496363698), (639, 441212176), (852, 330909132), (1136, 248181849), (1278, 220606088), (1704, 165454566), (2556, 110303044), (3408, 82727283), (5041, 55928304), (5112, 55151522), (10082, 27964152), (10224, 27575761), (15123, 18642768), (20164, 13982076), (30246, 9321384), (40328, 6991038), (45369, 6214256), (60492, 4660692), (80656, 3495519), (90738, 3107128), (120984, 2330346), (181476, 1553564), (241968, 1165173), (362952, 776782), (388391, 725904)]