18754680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 46563720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 269, 280, 332, 415, 420, 498, 538, 581, 664, 807, 830, 840, 996, 1076, 1162, 1245, 1345, 1614, 1660, 1743, 1883, 1992, 2152, 2324, 2490, 2690, 2905, 3228, 3320, 3486, 3766, 4035, 4648, 4980, 5380, 5649, 5810, 6456, 6972, 7532, 8070, 8715, 9415, 9960, 10760, 11298, 11620, 13944, 15064, 16140, 17430, 18830, 22327, 22596, 23240, 28245, 32280, 34860, 37660, 44654, 45192, 56490, 66981, 69720, 75320, 89308, 111635, 112980, 133962, 156289, 178616, 223270, 225960, 267924, 312578, 334905, 446540, 468867, 535848, 625156, 669810, 781445, 893080, 937734, 1250312, 1339620, 1562890, 1875468, 2344335, 2679240, 3125780, 3750936, 4688670, 6251560, 9377340, 18754680]

約数ペア:

[(1, 18754680), (2, 9377340), (3, 6251560), (4, 4688670), (5, 3750936), (6, 3125780), (7, 2679240), (8, 2344335), (10, 1875468), (12, 1562890), (14, 1339620), (15, 1250312), (20, 937734), (21, 893080), (24, 781445), (28, 669810), (30, 625156), (35, 535848), (40, 468867), (42, 446540), (56, 334905), (60, 312578), (70, 267924), (83, 225960), (84, 223270), (105, 178616), (120, 156289), (140, 133962), (166, 112980), (168, 111635), (210, 89308), (249, 75320), (269, 69720), (280, 66981), (332, 56490), (415, 45192), (420, 44654), (498, 37660), (538, 34860), (581, 32280), (664, 28245), (807, 23240), (830, 22596), (840, 22327), (996, 18830), (1076, 17430), (1162, 16140), (1245, 15064), (1345, 13944), (1614, 11620), (1660, 11298), (1743, 10760), (1883, 9960), (1992, 9415), (2152, 8715), (2324, 8070), (2490, 7532), (2690, 6972), (2905, 6456), (3228, 5810), (3320, 5649), (3486, 5380), (3766, 4980), (4035, 4648)]