66808980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3119}}^1$

素因数の和:3158

約数の個数: 144

約数和(自身を含む): 245306880

約数和(自身を除く): 178497900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3119, 3570, 4284, 5355, 6238, 7140, 9357, 10710, 12476, 15595, 18714, 21420, 21833, 28071, 31190, 37428, 43666, 46785, 53023, 56142, 62380, 65499, 87332, 93570, 106046, 109165, 112284, 130998, 140355, 159069, 187140, 196497, 212092, 218330, 261996, 265115, 280710, 318138, 327495, 371161, 392994, 436660, 477207, 530230, 561420, 636276, 654990, 742322, 785988, 795345, 954414, 982485, 1060460, 1113483, 1309980, 1484644, 1590690, 1855805, 1908828, 1964970, 2226966, 2386035, 3181380, 3340449, 3711610, 3929940, 4453932, 4772070, 5567415, 6680898, 7423220, 9544140, 11134830, 13361796, 16702245, 22269660, 33404490, 66808980]

約数ペア:

[(1, 66808980), (2, 33404490), (3, 22269660), (4, 16702245), (5, 13361796), (6, 11134830), (7, 9544140), (9, 7423220), (10, 6680898), (12, 5567415), (14, 4772070), (15, 4453932), (17, 3929940), (18, 3711610), (20, 3340449), (21, 3181380), (28, 2386035), (30, 2226966), (34, 1964970), (35, 1908828), (36, 1855805), (42, 1590690), (45, 1484644), (51, 1309980), (60, 1113483), (63, 1060460), (68, 982485), (70, 954414), (84, 795345), (85, 785988), (90, 742322), (102, 654990), (105, 636276), (119, 561420), (126, 530230), (140, 477207), (153, 436660), (170, 392994), (180, 371161), (204, 327495), (210, 318138), (238, 280710), (252, 265115), (255, 261996), (306, 218330), (315, 212092), (340, 196497), (357, 187140), (420, 159069), (476, 140355), (510, 130998), (595, 112284), (612, 109165), (630, 106046), (714, 93570), (765, 87332), (1020, 65499), (1071, 62380), (1190, 56142), (1260, 53023), (1428, 46785), (1530, 43666), (1785, 37428), (2142, 31190), (2380, 28071), (3060, 21833), (3119, 21420), (3570, 18714), (4284, 15595), (5355, 12476), (6238, 10710), (7140, 9357)]