75878820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 246840048

約数和(自身を除く): 170961228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 137, 153, 170, 180, 181, 204, 255, 274, 306, 340, 362, 411, 510, 543, 548, 612, 685, 724, 765, 822, 905, 1020, 1086, 1233, 1370, 1530, 1629, 1644, 1810, 2055, 2172, 2329, 2466, 2715, 2740, 3060, 3077, 3258, 3620, 4110, 4658, 4932, 5430, 6154, 6165, 6516, 6987, 8145, 8220, 9231, 9316, 10860, 11645, 12308, 12330, 13974, 15385, 16290, 18462, 20961, 23290, 24660, 24797, 27693, 27948, 30770, 32580, 34935, 36924, 41922, 46155, 46580, 49594, 55386, 61540, 69870, 74391, 83844, 92310, 99188, 104805, 110772, 123985, 138465, 139740, 148782, 184620, 209610, 223173, 247970, 276930, 297564, 371955, 419220, 421549, 446346, 495940, 553860, 743910, 843098, 892692, 1115865, 1264647, 1487820, 1686196, 2107745, 2231730, 2529294, 3793941, 4215490, 4463460, 5058588, 6323235, 7587882, 8430980, 12646470, 15175764, 18969705, 25292940, 37939410, 75878820]

約数ペア:

[(1, 75878820), (2, 37939410), (3, 25292940), (4, 18969705), (5, 15175764), (6, 12646470), (9, 8430980), (10, 7587882), (12, 6323235), (15, 5058588), (17, 4463460), (18, 4215490), (20, 3793941), (30, 2529294), (34, 2231730), (36, 2107745), (45, 1686196), (51, 1487820), (60, 1264647), (68, 1115865), (85, 892692), (90, 843098), (102, 743910), (137, 553860), (153, 495940), (170, 446346), (180, 421549), (181, 419220), (204, 371955), (255, 297564), (274, 276930), (306, 247970), (340, 223173), (362, 209610), (411, 184620), (510, 148782), (543, 139740), (548, 138465), (612, 123985), (685, 110772), (724, 104805), (765, 99188), (822, 92310), (905, 83844), (1020, 74391), (1086, 69870), (1233, 61540), (1370, 55386), (1530, 49594), (1629, 46580), (1644, 46155), (1810, 41922), (2055, 36924), (2172, 34935), (2329, 32580), (2466, 30770), (2715, 27948), (2740, 27693), (3060, 24797), (3077, 24660), (3258, 23290), (3620, 20961), (4110, 18462), (4658, 16290), (4932, 15385), (5430, 13974), (6154, 12330), (6165, 12308), (6516, 11645), (6987, 10860), (8145, 9316), (8220, 9231)]