421487460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{761}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 1362986352

約数和(自身を除く): 941498892

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, 153, 170, 180, 181, 204, 255, 306, 340, 362, 510, 543, 612, 724, 761, 765, 905, 1020, 1086, 1522, 1530, 1629, 1810, 2172, 2283, 2715, 3044, 3060, 3077, 3258, 3620, 3805, 4566, 5430, 6154, 6516, 6849, 7610, 8145, 9132, 9231, 10860, 11415, 12308, 12937, 13698, 15220, 15385, 16290, 18462, 22830, 25874, 27396, 27693, 30770, 32580, 34245, 36924, 38811, 45660, 46155, 51748, 55386, 61540, 64685, 68490, 77622, 92310, 110772, 116433, 129370, 136980, 137741, 138465, 155244, 184620, 194055, 232866, 258740, 275482, 276930, 388110, 413223, 465732, 550964, 553860, 582165, 688705, 776220, 826446, 1164330, 1239669, 1377410, 1652892, 2066115, 2328660, 2341597, 2479338, 2754820, 4132230, 4683194, 4958676, 6198345, 7024791, 8264460, 9366388, 11707985, 12396690, 14049582, 21074373, 23415970, 24793380, 28099164, 35123955, 42148746, 46831940, 70247910, 84297492, 105371865, 140495820, 210743730, 421487460]

約数ペア:

[(1, 421487460), (2, 210743730), (3, 140495820), (4, 105371865), (5, 84297492), (6, 70247910), (9, 46831940), (10, 42148746), (12, 35123955), (15, 28099164), (17, 24793380), (18, 23415970), (20, 21074373), (30, 14049582), (34, 12396690), (36, 11707985), (45, 9366388), (51, 8264460), (60, 7024791), (68, 6198345), (85, 4958676), (90, 4683194), (102, 4132230), (153, 2754820), (170, 2479338), (180, 2341597), (181, 2328660), (204, 2066115), (255, 1652892), (306, 1377410), (340, 1239669), (362, 1164330), (510, 826446), (543, 776220), (612, 688705), (724, 582165), (761, 553860), (765, 550964), (905, 465732), (1020, 413223), (1086, 388110), (1522, 276930), (1530, 275482), (1629, 258740), (1810, 232866), (2172, 194055), (2283, 184620), (2715, 155244), (3044, 138465), (3060, 137741), (3077, 136980), (3258, 129370), (3620, 116433), (3805, 110772), (4566, 92310), (5430, 77622), (6154, 68490), (6516, 64685), (6849, 61540), (7610, 55386), (8145, 51748), (9132, 46155), (9231, 45660), (10860, 38811), (11415, 36924), (12308, 34245), (12937, 32580), (13698, 30770), (15220, 27693), (15385, 27396), (16290, 25874), (18462, 22830)]