161868980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 457605120

約数和(自身を除く): 295736140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 31, 35, 38, 52, 62, 65, 70, 76, 91, 95, 124, 130, 133, 140, 151, 155, 182, 190, 217, 247, 260, 266, 302, 310, 364, 380, 403, 434, 455, 494, 532, 589, 604, 620, 665, 755, 806, 868, 910, 988, 1057, 1085, 1178, 1235, 1330, 1510, 1612, 1729, 1820, 1963, 2015, 2114, 2170, 2356, 2470, 2660, 2821, 2869, 2945, 3020, 3458, 3926, 4030, 4123, 4228, 4340, 4681, 4940, 5285, 5642, 5738, 5890, 6916, 7657, 7852, 8060, 8246, 8645, 9362, 9815, 10570, 11284, 11476, 11780, 13741, 14105, 14345, 15314, 16492, 17290, 18724, 19630, 20083, 20615, 21140, 23405, 27482, 28210, 28690, 30628, 32767, 34580, 37297, 38285, 39260, 40166, 41230, 46810, 53599, 54964, 56420, 57380, 60853, 65534, 68705, 74594, 76570, 80332, 82460, 88939, 93620, 100415, 107198, 121706, 131068, 137410, 149188, 153140, 163835, 177878, 186485, 200830, 214396, 243412, 261079, 267995, 274820, 304265, 327670, 355756, 372970, 401660, 425971, 444695, 522158, 535990, 608530, 622573, 655340, 745940, 851942, 889390, 1044316, 1071980, 1156207, 1217060, 1245146, 1305395, 1703884, 1778780, 2129855, 2312414, 2490292, 2610790, 3112865, 4259710, 4624828, 5221580, 5781035, 6225730, 8093449, 8519420, 11562070, 12451460, 16186898, 23124140, 32373796, 40467245, 80934490, 161868980]

約数ペア:

[(1, 161868980), (2, 80934490), (4, 40467245), (5, 32373796), (7, 23124140), (10, 16186898), (13, 12451460), (14, 11562070), (19, 8519420), (20, 8093449), (26, 6225730), (28, 5781035), (31, 5221580), (35, 4624828), (38, 4259710), (52, 3112865), (62, 2610790), (65, 2490292), (70, 2312414), (76, 2129855), (91, 1778780), (95, 1703884), (124, 1305395), (130, 1245146), (133, 1217060), (140, 1156207), (151, 1071980), (155, 1044316), (182, 889390), (190, 851942), (217, 745940), (247, 655340), (260, 622573), (266, 608530), (302, 535990), (310, 522158), (364, 444695), (380, 425971), (403, 401660), (434, 372970), (455, 355756), (494, 327670), (532, 304265), (589, 274820), (604, 267995), (620, 261079), (665, 243412), (755, 214396), (806, 200830), (868, 186485), (910, 177878), (988, 163835), (1057, 153140), (1085, 149188), (1178, 137410), (1235, 131068), (1330, 121706), (1510, 107198), (1612, 100415), (1729, 93620), (1820, 88939), (1963, 82460), (2015, 80332), (2114, 76570), (2170, 74594), (2356, 68705), (2470, 65534), (2660, 60853), (2821, 57380), (2869, 56420), (2945, 54964), (3020, 53599), (3458, 46810), (3926, 41230), (4030, 40166), (4123, 39260), (4228, 38285), (4340, 37297), (4681, 34580), (4940, 32767), (5285, 30628), (5642, 28690), (5738, 28210), (5890, 27482), (6916, 23405), (7657, 21140), (7852, 20615), (8060, 20083), (8246, 19630), (8645, 18724), (9362, 17290), (9815, 16492), (10570, 15314), (11284, 14345), (11476, 14105), (11780, 13741)]