64756440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{3671}}^1$

素因数の和:3702

約数の個数: 144

約数和(自身を含む): 244885680

約数和(自身を除く): 180129240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 3671, 4410, 5880, 7342, 8820, 11013, 14684, 17640, 18355, 22026, 25697, 29368, 33039, 36710, 44052, 51394, 55065, 66078, 73420, 77091, 88104, 102788, 110130, 128485, 132156, 146840, 154182, 165195, 179879, 205576, 220260, 231273, 256970, 264312, 308364, 330390, 359758, 385455, 440520, 462546, 513940, 539637, 616728, 660780, 719516, 770910, 899395, 925092, 1027880, 1079274, 1156365, 1321560, 1439032, 1541820, 1618911, 1798790, 1850184, 2158548, 2312730, 2698185, 3083640, 3237822, 3597580, 4317096, 4625460, 5396370, 6475644, 7195160, 8094555, 9250920, 10792740, 12951288, 16189110, 21585480, 32378220, 64756440]

約数ペア:

[(1, 64756440), (2, 32378220), (3, 21585480), (4, 16189110), (5, 12951288), (6, 10792740), (7, 9250920), (8, 8094555), (9, 7195160), (10, 6475644), (12, 5396370), (14, 4625460), (15, 4317096), (18, 3597580), (20, 3237822), (21, 3083640), (24, 2698185), (28, 2312730), (30, 2158548), (35, 1850184), (36, 1798790), (40, 1618911), (42, 1541820), (45, 1439032), (49, 1321560), (56, 1156365), (60, 1079274), (63, 1027880), (70, 925092), (72, 899395), (84, 770910), (90, 719516), (98, 660780), (105, 616728), (120, 539637), (126, 513940), (140, 462546), (147, 440520), (168, 385455), (180, 359758), (196, 330390), (210, 308364), (245, 264312), (252, 256970), (280, 231273), (294, 220260), (315, 205576), (360, 179879), (392, 165195), (420, 154182), (441, 146840), (490, 132156), (504, 128485), (588, 110130), (630, 102788), (735, 88104), (840, 77091), (882, 73420), (980, 66078), (1176, 55065), (1260, 51394), (1470, 44052), (1764, 36710), (1960, 33039), (2205, 29368), (2520, 25697), (2940, 22026), (3528, 18355), (3671, 17640), (4410, 14684), (5880, 11013), (7342, 8820)]