68640572

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 171601920

約数和(自身を除く): 102961348

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 49, 52, 62, 77, 79, 91, 98, 124, 143, 154, 158, 182, 196, 217, 286, 308, 316, 341, 364, 403, 434, 539, 553, 572, 637, 682, 806, 868, 869, 1001, 1027, 1078, 1106, 1274, 1364, 1519, 1612, 1738, 2002, 2054, 2156, 2212, 2387, 2449, 2548, 2821, 3038, 3476, 3871, 4004, 4108, 4433, 4774, 4898, 5642, 6076, 6083, 7007, 7189, 7742, 8866, 9548, 9796, 11284, 11297, 12166, 14014, 14378, 15484, 16709, 17143, 17732, 19747, 22594, 24332, 26939, 28028, 28756, 31031, 31837, 33418, 34286, 39494, 42581, 45188, 50323, 53878, 62062, 63674, 66836, 68572, 78988, 79079, 85162, 100646, 107756, 120001, 124124, 127348, 158158, 170324, 188573, 201292, 217217, 222859, 240002, 316316, 350207, 377146, 434434, 445718, 480004, 553553, 700414, 754292, 868868, 891436, 1107106, 1320011, 1400828, 1560013, 2214212, 2451449, 2640022, 3120026, 4902898, 5280044, 6240052, 9805796, 17160143, 34320286, 68640572]

約数ペア:

[(1, 68640572), (2, 34320286), (4, 17160143), (7, 9805796), (11, 6240052), (13, 5280044), (14, 4902898), (22, 3120026), (26, 2640022), (28, 2451449), (31, 2214212), (44, 1560013), (49, 1400828), (52, 1320011), (62, 1107106), (77, 891436), (79, 868868), (91, 754292), (98, 700414), (124, 553553), (143, 480004), (154, 445718), (158, 434434), (182, 377146), (196, 350207), (217, 316316), (286, 240002), (308, 222859), (316, 217217), (341, 201292), (364, 188573), (403, 170324), (434, 158158), (539, 127348), (553, 124124), (572, 120001), (637, 107756), (682, 100646), (806, 85162), (868, 79079), (869, 78988), (1001, 68572), (1027, 66836), (1078, 63674), (1106, 62062), (1274, 53878), (1364, 50323), (1519, 45188), (1612, 42581), (1738, 39494), (2002, 34286), (2054, 33418), (2156, 31837), (2212, 31031), (2387, 28756), (2449, 28028), (2548, 26939), (2821, 24332), (3038, 22594), (3476, 19747), (3871, 17732), (4004, 17143), (4108, 16709), (4433, 15484), (4774, 14378), (4898, 14014), (5642, 12166), (6076, 11297), (6083, 11284), (7007, 9796), (7189, 9548), (7742, 8866)]