686993980880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1\times {\mathrm{5099}}^1$

素因数の和:5917

約数の個数: 160

約数和(自身を含む): 1705021228800

約数和(自身を除く): 1018027247920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 272, 314, 340, 628, 631, 680, 785, 1256, 1262, 1360, 1570, 2512, 2524, 2669, 3140, 3155, 5048, 5099, 5338, 6280, 6310, 10096, 10198, 10676, 10727, 12560, 12620, 13345, 20396, 21352, 21454, 25240, 25495, 26690, 40792, 42704, 42908, 50480, 50990, 53380, 53635, 81584, 85816, 86683, 99067, 101980, 106760, 107270, 171632, 173366, 198134, 203960, 213520, 214540, 346732, 396268, 407920, 429080, 433415, 495335, 693464, 792536, 800543, 858160, 866830, 990670, 1386928, 1585072, 1601086, 1684139, 1733660, 1981340, 3202172, 3217469, 3368278, 3467320, 3962680, 4002715, 6404344, 6434938, 6736556, 6934640, 7925360, 8005430, 8420695, 12808688, 12869876, 13473112, 13609231, 16010860, 16087345, 16841390, 25739752, 26946224, 27218462, 32021720, 32174690, 33682780, 51479504, 54436924, 54696973, 64043440, 64349380, 67365560, 68046155, 108873848, 109393946, 128698760, 134731120, 136092310, 217747696, 218787892, 257397520, 272184620, 273484865, 437575784, 505142633, 544369240, 546969730, 875151568, 1010285266, 1088738480, 1093939460, 2020570532, 2187878920, 2525713165, 4041141064, 4375757840, 5051426330, 8082282128, 8587424761, 10102852660, 17174849522, 20205705320, 34349699044, 40411410640, 42937123805, 68699398088, 85874247610, 137398796176, 171748495220, 343496990440, 686993980880]

約数ペア:

[(1, 686993980880), (2, 343496990440), (4, 171748495220), (5, 137398796176), (8, 85874247610), (10, 68699398088), (16, 42937123805), (17, 40411410640), (20, 34349699044), (34, 20205705320), (40, 17174849522), (68, 10102852660), (80, 8587424761), (85, 8082282128), (136, 5051426330), (157, 4375757840), (170, 4041141064), (272, 2525713165), (314, 2187878920), (340, 2020570532), (628, 1093939460), (631, 1088738480), (680, 1010285266), (785, 875151568), (1256, 546969730), (1262, 544369240), (1360, 505142633), (1570, 437575784), (2512, 273484865), (2524, 272184620), (2669, 257397520), (3140, 218787892), (3155, 217747696), (5048, 136092310), (5099, 134731120), (5338, 128698760), (6280, 109393946), (6310, 108873848), (10096, 68046155), (10198, 67365560), (10676, 64349380), (10727, 64043440), (12560, 54696973), (12620, 54436924), (13345, 51479504), (20396, 33682780), (21352, 32174690), (21454, 32021720), (25240, 27218462), (25495, 26946224), (26690, 25739752), (40792, 16841390), (42704, 16087345), (42908, 16010860), (50480, 13609231), (50990, 13473112), (53380, 12869876), (53635, 12808688), (81584, 8420695), (85816, 8005430), (86683, 7925360), (99067, 6934640), (101980, 6736556), (106760, 6434938), (107270, 6404344), (171632, 4002715), (173366, 3962680), (198134, 3467320), (203960, 3368278), (213520, 3217469), (214540, 3202172), (346732, 1981340), (396268, 1733660), (407920, 1684139), (429080, 1601086), (433415, 1585072), (495335, 1386928), (693464, 990670), (792536, 866830), (800543, 858160)]