28787362380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{14923}}^1$

素因数の和:16476

約数の個数: 144

約数和(自身を含む): 99868065024

約数和(自身を除く): 71080702644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1531, 3062, 4593, 6124, 7655, 9186, 10717, 13779, 14923, 15310, 18372, 21434, 22965, 27558, 29846, 30620, 32151, 42868, 44769, 45930, 53585, 55116, 59692, 64302, 68895, 74615, 89538, 91860, 96453, 104461, 107170, 128604, 134307, 137790, 149230, 160755, 179076, 192906, 208922, 214340, 223845, 268614, 275580, 298460, 313383, 321510, 385812, 417844, 447690, 482265, 522305, 537228, 626766, 643020, 671535, 895380, 940149, 964530, 1044610, 1253532, 1343070, 1566915, 1880298, 1929060, 2089220, 2686140, 3133830, 3760596, 4700745, 6267660, 9401490, 18802980, 22847113, 45694226, 68541339, 91388452, 114235565, 137082678, 159929791, 205624017, 228471130, 274165356, 319859582, 342706695, 411248034, 456942260, 479789373, 639719164, 685413390, 799648955, 822496068, 959578746, 1028120085, 1370826780, 1439368119, 1599297910, 1919157492, 2056240170, 2398946865, 2878736238, 3198595820, 4112480340, 4797893730, 5757472476, 7196840595, 9595787460, 14393681190, 28787362380]

約数ペア:

[(1, 28787362380), (2, 14393681190), (3, 9595787460), (4, 7196840595), (5, 5757472476), (6, 4797893730), (7, 4112480340), (9, 3198595820), (10, 2878736238), (12, 2398946865), (14, 2056240170), (15, 1919157492), (18, 1599297910), (20, 1439368119), (21, 1370826780), (28, 1028120085), (30, 959578746), (35, 822496068), (36, 799648955), (42, 685413390), (45, 639719164), (60, 479789373), (63, 456942260), (70, 411248034), (84, 342706695), (90, 319859582), (105, 274165356), (126, 228471130), (140, 205624017), (180, 159929791), (210, 137082678), (252, 114235565), (315, 91388452), (420, 68541339), (630, 45694226), (1260, 22847113), (1531, 18802980), (3062, 9401490), (4593, 6267660), (6124, 4700745), (7655, 3760596), (9186, 3133830), (10717, 2686140), (13779, 2089220), (14923, 1929060), (15310, 1880298), (18372, 1566915), (21434, 1343070), (22965, 1253532), (27558, 1044610), (29846, 964530), (30620, 940149), (32151, 895380), (42868, 671535), (44769, 643020), (45930, 626766), (53585, 537228), (55116, 522305), (59692, 482265), (64302, 447690), (68895, 417844), (74615, 385812), (89538, 321510), (91860, 313383), (96453, 298460), (104461, 275580), (107170, 268614), (128604, 223845), (134307, 214340), (137790, 208922), (149230, 192906), (160755, 179076)]