31334940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1948

約数の個数: 144

約数和(自身を含む): 117044928

約数和(自身を除く): 85709988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 1913, 2340, 2730, 3276, 3826, 4095, 5460, 5739, 7652, 8190, 9565, 11478, 13391, 16380, 17217, 19130, 22956, 24869, 26782, 28695, 34434, 38260, 40173, 49738, 53564, 57390, 66955, 68868, 74607, 80346, 86085, 99476, 114780, 120519, 124345, 133910, 149214, 160692, 172170, 174083, 200865, 223821, 241038, 248690, 267820, 298428, 344340, 348166, 373035, 401730, 447642, 482076, 497380, 522249, 602595, 696332, 746070, 803460, 870415, 895284, 1044498, 1119105, 1205190, 1492140, 1566747, 1740830, 2088996, 2238210, 2410380, 2611245, 3133494, 3481660, 4476420, 5222490, 6266988, 7833735, 10444980, 15667470, 31334940]

約数ペア:

[(1, 31334940), (2, 15667470), (3, 10444980), (4, 7833735), (5, 6266988), (6, 5222490), (7, 4476420), (9, 3481660), (10, 3133494), (12, 2611245), (13, 2410380), (14, 2238210), (15, 2088996), (18, 1740830), (20, 1566747), (21, 1492140), (26, 1205190), (28, 1119105), (30, 1044498), (35, 895284), (36, 870415), (39, 803460), (42, 746070), (45, 696332), (52, 602595), (60, 522249), (63, 497380), (65, 482076), (70, 447642), (78, 401730), (84, 373035), (90, 348166), (91, 344340), (105, 298428), (117, 267820), (126, 248690), (130, 241038), (140, 223821), (156, 200865), (180, 174083), (182, 172170), (195, 160692), (210, 149214), (234, 133910), (252, 124345), (260, 120519), (273, 114780), (315, 99476), (364, 86085), (390, 80346), (420, 74607), (455, 68868), (468, 66955), (546, 57390), (585, 53564), (630, 49738), (780, 40173), (819, 38260), (910, 34434), (1092, 28695), (1170, 26782), (1260, 24869), (1365, 22956), (1638, 19130), (1820, 17217), (1913, 16380), (2340, 13391), (2730, 11478), (3276, 9565), (3826, 8190), (4095, 7652), (5460, 5739)]