57212820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2671}}^1$

素因数の和:2710

約数の個数: 144

約数和(自身を含む): 210083328

約数和(自身を除く): 152870508

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, 2671, 3060, 3570, 4284, 5342, 5355, 7140, 8013, 10684, 10710, 13355, 16026, 18697, 21420, 24039, 26710, 32052, 37394, 40065, 45407, 48078, 53420, 56091, 74788, 80130, 90814, 93485, 96156, 112182, 120195, 136221, 160260, 168273, 181628, 186970, 224364, 227035, 240390, 272442, 280455, 317849, 336546, 373940, 408663, 454070, 480780, 544884, 560910, 635698, 673092, 681105, 817326, 841365, 908140, 953547, 1121820, 1271396, 1362210, 1589245, 1634652, 1682730, 1907094, 2043315, 2724420, 2860641, 3178490, 3365460, 3814188, 4086630, 4767735, 5721282, 6356980, 8173260, 9535470, 11442564, 14303205, 19070940, 28606410, 57212820]

約数ペア:

[(1, 57212820), (2, 28606410), (3, 19070940), (4, 14303205), (5, 11442564), (6, 9535470), (7, 8173260), (9, 6356980), (10, 5721282), (12, 4767735), (14, 4086630), (15, 3814188), (17, 3365460), (18, 3178490), (20, 2860641), (21, 2724420), (28, 2043315), (30, 1907094), (34, 1682730), (35, 1634652), (36, 1589245), (42, 1362210), (45, 1271396), (51, 1121820), (60, 953547), (63, 908140), (68, 841365), (70, 817326), (84, 681105), (85, 673092), (90, 635698), (102, 560910), (105, 544884), (119, 480780), (126, 454070), (140, 408663), (153, 373940), (170, 336546), (180, 317849), (204, 280455), (210, 272442), (238, 240390), (252, 227035), (255, 224364), (306, 186970), (315, 181628), (340, 168273), (357, 160260), (420, 136221), (476, 120195), (510, 112182), (595, 96156), (612, 93485), (630, 90814), (714, 80130), (765, 74788), (1020, 56091), (1071, 53420), (1190, 48078), (1260, 45407), (1428, 40065), (1530, 37394), (1785, 32052), (2142, 26710), (2380, 24039), (2671, 21420), (3060, 18697), (3570, 16026), (4284, 13355), (5342, 10710), (5355, 10684), (7140, 8013)]